Pull your zipper down, pull out your balls, look down, scream and say "oh my god what the fuck is that!!" While they are around lol? Somebody did this to me, I was like this mf'er... 
How did his dick taste? 
For a real laugh, reach down in your undies and rub your balls real good then wipe the ball sweat under your friend's nose.
The version I'm familiar with is stretching your sack out and saying "Dammit I sat in gum."
I mean, no that's childish.
All this time and I've been doing it wrong. I usually pull their zipper down, pull out their balls, look down, scream and say "oh my god what the fuck is that!!"
I've seen the balls of every man I'm still friends with.
Ive asked people at the urinal in the military, "hey does this look normal"?
I was that guy.
BJTT_Pella - Ive asked people at the urinal in the military, "hey does this look normal"?Our "that guy" would say "You fuck with that thing?!"
I was that guy.
You bishes got me cracking up lol wish I was blue, would vote all you ball loving whores up.
An Old Shoe - Pull your zipper down, pull out your balls, look down, scream and say "oh my god what the fuck is that!!" While they are around lol? Somebody did this to me, I was like this mf'er...That's called the lamb's brain.
"Hey bro, ever seen a Lamb's brain"?
I like to stick my index finger as deep in my ass as possible. Ideally I have a giant shit up there.
Then I hold my glass with shit finger just above the lip. I hold the glass up to their nose and rub shit finger on the nostrils.
"Does this beer smell like shit?" I ask.
Yes, yes it does they say.