When you're fucking a girl and you accidently(or purposley) pull out of her vagina and slam it in her ass....
Elijah was railing the shit out of amanda one nite and accidently gave her the oops she curled up in a ball and cried while Elijah got pissed and left cause she wouldn't let him finish..
by Jaymcc September 24, 2008
An acronym for Original Post Original Poster. This refers to the person that made the OP (Original Post) that someone has taken a screenshot of and shared to an external website. This differentiates the person that created the original content from the person that shared it to an outside source, who is referred to as OP (Original Poster).
by lovely rat kitten January 28, 2021
Ella: *Waves to Olivia*
Sarah: *Waves back thinking it was for her, but notices it wasn’t*
Sarah: Oop
Sarah: *Waves back thinking it was for her, but notices it wasn’t*
Sarah: Oop
by wohtherecowboy123 June 22, 2019
by Dat 1 Lil' Whyte Boi January 06, 2006
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