lick the envelope 

Oral sex on a female.

She asked me to lick the envelope, and then I mailed that shit.

lick the envelope by akgirl November 20, 2009

Nuclear Envelope 

1. An extremely smelly, gross, vile, possibly radioactive, dirty vagina that has been stretched beyond belief. Overflowing with semen from multiple men and some horses.
2. A dirty whore with said vagina.

1. "That bitch had such a nuclear envelope that I wouldn't even touch her with a 10 foot pole."
2. "I'm not putting my dick anywhere near that nuclear envelope!"

Nuclear Envelope by FBAC if you DEFC April 14, 2010

Little Brown Envelope 

A bribe.

He tucked a little brown envelope into the guys top pocket.

Little Brown Envelope by andTing August 22, 2010

Stuffing the Envelope 

The sexual manuveur to take one's cock and balls and put or stuff them both into the woman's vagina.

Man, the new bitch at the office is so loose I ended up stuffing the envelope last night.

Stuffing the Envelope by Yerby August 17, 2006

Comfort envelope 

somebody is secure in the knowledge that someone is working positively on their behalf.

Making sure that the customer is inside their comfort envelope.

Comfort envelope by Spuggy2345 November 27, 2011

Comfy Envelope 

A term referring to a woman's vagina. Can also be used more specifically to describe a vagina that is a very good fit for the guy using it.

I used my girlfriends comfy envelope last night to post a letter to the navy

My wife's comfy envelope is just right for my letter opener

Comfy Envelope by Shanks120y August 3, 2009

fat envelope 

The thicker envelope one receives from a school that has accepted one for admission, as opposed to a thin envelope containing a rejection letter.

I got the fat envelope from Harvard!

fat envelope by ChadwickEsq May 28, 2011