Tuck-back 

A "Tuck-back" is when a male (or a female with a cock and balls) tucks their cock and balls backwards behind their legs leaving only pubic hair showing so it appears that they have a hairy vagina or a mangina.

"Wow did you see him pull that "Tuck-back" I thought he was a he/she"

Tuck-back by KING BAKER OF THE V REALM September 4, 2009

Trough tuck it back Peekaboo 

When you're using a public trough urinal, walk up to the urinal, unzip your pants, turn around (facing opposite of the urinal) pull out your penis, move over your testicles now proceed to pull your penis back between your legs (penis pointed at urinal) now start urinating. That's the Trough Tuck It Back Peekaboo

I once thought a drunk guy was going to shit in the urinal nope he just did the Trough Tuck It Back Peekaboo

Trough tuck it back Peekaboo by Digiassman April 24, 2022

tuck your sack back 

Grabbing your package and putting it in upwards of your butt cheeks.

Do Not tuck your sack back, we are Powerhouse!

tuck your sack back by Bitty Bitt December 28, 2016

tuckback

A handjob while the penis (male, female, or other) is tucked backward between the legs. Usually a particularly vigorous one.

"Yo Alex, lemme get a tuckback," said Joe. "What's a tuckback?" replied Alex. Joe replied coyly, "Some rubbing that causes an explosion."

tuckback by demoncan August 30, 2025