Top Definition
when one stands up from a seat and a large, sweaty imprint of their butt remains.
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
1 more definition
A butt being pressed against something. Dog butt's are the worst because they sneak attack you and put their hole on your hand or foot or whatever.
The dog Butt stamped my face while I was sleeping.
Josh teabagged chris so chris butt stamped josh.
by jg09 February 15, 2007

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