Top Definition
Similar to a flashback after a night of inebriation one experiences "trash backs" the following morning.
Jeremy suddenly recalls a "Trashback" of weeing off a balcony during his drunken adventures.
by Majoop April 28, 2012
An antonym for the word pupback. It is used to communicate a failed pupback.
BAOOH enters the chat
<Boliver> just call it a trashback, BAOOH
by BOLIVER February 03, 2003
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