OotP

J.K. Rowling's fifth novel, Harry Potter and the Order of the Phoenix. Popular shorthand amongst bloggers.

"Did you read my blog last night about OotP?"
"Nooo! I haven't read it yet, and I don't want to read any spoilers before then!"

by Liz April 1, 2005

OOTP

Acronym for the popular baseball simulation game, Out of the Park (Baseball) put out by Sports Interactive.

I enjoy playing OOTP

by blindswordzman August 4, 2006

OOTP

Out of Toilet Paper

Guy 1: Dude! I'm OOTP! Toss me a roll!
Guy 2: *hiding a roll* That sucks, I just finished my roll.

by Mr. Facetious July 27, 2012