sticky envelope 

When you having sex doggy style and when your about to cum, you pull out and jizz in her butt crack and then smash her butt cheeks together.

Tom and jane where having sex when tom gave jane a sticky envelope

sticky envelope by jebusmckrackin July 9, 2014

Sticky envelope 

a Sticky envelope is when you can't be fucked to lick the envelope to send it so u squeeze out a little bit on nut and seal ur envelope with ur own fucking seman.

person 1: Bruh that's one sticky envelope person 2: yeah idk why tbh (smirks)

Sticky envelope by lolcarson March 12, 2019