by TheSaviourUD April 8, 2017

The sexual maneuver in which you cum into somebody's butt hole, lick it along the crack like your sealing an envelope, push the cheeks together so it's officially sealed, and then stamp it by giving the ass cheek a hicky.
"So, Tom and I were pioneering the Postage Stamp the other day and I wasn't able to defecate for almost four business days."
by Justin George Mitchell III March 26, 2008

by oognasty December 10, 2016

by superstainslut January 1, 2017

joe stood up to get off the bus and didn't realize he left a butt stamp on the seat. all the other passengers refused to sit there and eyed joe as he exited the bus.
by dordan jewert July 29, 2009

buht stamp
noun
1 the act of sitting on something while completely naked, not wiping one's anus fully and leaving brown or green print
on said object.
noun
1 the act of sitting on something while completely naked, not wiping one's anus fully and leaving brown or green print
on said object.
by Adriana Chechik's biggest fan January 17, 2022

Yo, did you hear that Rebecca was cookie stamping some dude that pasted out with his mouth open last night?
by Joonbuggy April 20, 2011
