Earlier this month, we reported on the new viral trend of ‘Fly That Cock‘ whereby guys whip their junk out in airplane carsys and send it to the tumblr account. Well, if you get a little bathroom shy, then why not try this little more PG trend. @UndiesOutRestrooms accepts submissions from lads yanking down their jeans and giving you a glimpse of their bulge. That’s our kinda selfie, boys.

Here’s just some of the guys so far:

Are you gonna join in Cock Flock?

[H/T: NNN]