Over breakfast, while my Uncle Rob was describing the sight that had greeted him when he'd opened our bedroom door that morning, he said the first thing that struck him was the snarl on my face.
"The snarl?" Marcus had asked. "Don't you mean smirk?"
"No, Shane was definitely snarling," Uncle Rob chuckled over at us, pouring some milk on his cornflakes. "Eyes wide, teeth bared, lips drawn back into a primitive, animalistic snarl!"
"I was only dimly aware that you'd come into the room," I chortled, opting for Coco Pops to fill my bowl with. "I was just way too far gone!"
"From your face I assumed you to be in sheer agony," Uncle Rob said. "I looked down your body as you squatted there on the edge of Jake's bed and saw that you were masturbating furiously even though your penis had already discharged itself bountifully across your stomach and thighs -"
"Oh yeah!" I giggled. "That's a bit of a thing I do..."
"Then I peered lower down to your testicles, bobbing wildly between your legs -"
"Still looking enormous, I bet," Jake guffawed, "even though he'd just fired off such a massive load!"
"And then lower still," Uncle Rob went on, "down to the two penile shafts, pressed tightly together to make one grotesquely thick girth, which were directed upwards and which you were pleasuring frantically with your bottom."
"So that's when you realised why he was snarling...?" Marcus grinned after taking a mouthful from his coffee.
"Quite," Uncle Rob grinned. "That it wasn't from agony... very much the contrary. That it was the sheer ecstacy of being so extensively penetrated by both my son and his lover's erections at the same time!"
"Male lover," Jake corrected him.
"Oh yes, that's right," Uncle Rob smirked at his son. "I was forgetting about Ellie, the elusive girlfriend."
"Then what happened?" I asked, having little memory as my head had been so overwhelmed by pleasure.
Uncle Rob chuckled. "You started whimpering frantically... short high-pitched bursts gasping from your lungs... and then your penis, still being ferociously pounded by your fist, started erupting for what I assume to be a second seminal release."
"That's quite a trick you've got there," Jake grinned at me, reaching for more orange juice. "I can suck my own dick, you can spooge off twice in a row... I dunno which is the better superhero skill!"
"It's something I've always been able to do ever since I started beating off," I shrugged, smiling at the three of them. "I've got to be really turned-on to be able to shoot twice in a row and back in Brissy, as you can probably imagine, that doesn't happen very often!"
Uncle Rob laughed over at me. "And yet you've done it two days running with Jake and Marcus!"
"Yeah!" I laughed back. "I might even manage three cuff-offs in quick succession at this rate!"
At home it was quite rare that I would go up to my room to jerk off and then, straight after wiping off, bone right back up again and give my dick a second flogging. When it did happen it was usually after an afternoon surfing, dagging around with the guys and finding myself really horny when I got home. Once it had happened after a footie game at college when we'd all been messing about in the lockerroom, whipping each other's butts with our towels and trying to grope at each other's semis.
Marcus munched his muesli glumly and whined, "I haven't got a superhero skill..."
"Yes, you have," Jake said. "You've got that thing you do."
"What thing?"
"You know... that thing," Jake laughed.
"I don't know what you're on about!" Marcus shrugged, amused and confused in equal measure.
"Okay, since you've made me spell it out... the thing where you push your dick back under your balls and work the end of it up your own bunghole!"
"Oh my God!" I laughed. "That is just too cool! Why didn't you show me...?"
Now that I thought about it, his knob was pretty long when it was limp and his arsehole was really low down in his crack, practically just behind his nuts. With a few minor contortions, probably in his bedroom as a teen, he'd discovered he could actually butt-fuck himself!
"It's not that exciting," Marcus smiled over at me. "I've got to be totally limp or else it doesn't work and, even then, I can only just squeeze the head of my cock inside."
"It must look awesome, though," I marvelled back at him. "Seeing you with your legs wide open and your wang curved round with the end of it plugged up your own arse! That'd be so hot, mate!"
Marcus grinned at my enthusiasm. "The trouble is, though, once it's up there, the feel of it makes me bone up. As soon as my cock starts getting stiff, it pops straight back out again."
"Have you ever shown a girlfriend you can do that?" Uncle Rob asked, finishing off his cereal. "I once showed one of mine a particular trick I can do..."
"One of my earliest girlfriends, yeah," he nodded. "She was horrified by it... she called me a freak of nature and told me to never do it again. Since then I've only shown other dudes my little... er... party piece!"