To be taking a huge shit, usually diarrhea. If you snezze suddenly, and all the shit comes out of toilet, and fly's back in your ass.
Phil ate at that shitty grease pit last night. He was taking a huge shit and accidentally sneezed, and he reverse bm all up in his ass!!!!
by 69 flipped July 2, 2014
Get the reverse bmmug. To go into one's room and turn all of their clothes inside out, making it annoying when they ever want to change clothes. Similar to definition two of spacebag.
by zanuryx May 18, 2011
Get the Reverse Wardrobemug. by Sir Dicks Alot February 9, 2009
Get the reverse tuckmug. by Harry Dickson-balls June 18, 2011
Get the Reverse Baboonmug. James: The meeting with the stakeholders is in the Fern room, in 2mins!
Craig: *Grabs glasses, straightens hipster quiff, picks up macbook*
James: Pulling the Reverse Superman 'gain, are we?
Craig: *Grabs glasses, straightens hipster quiff, picks up macbook*
James: Pulling the Reverse Superman 'gain, are we?
by FooShank July 29, 2014
Get the Reverse Supermanmug. I've got major chafing down there from John's hair when he did the reverse birthday on me yesterday.
by SMAK418 September 28, 2009
Get the Reverse Birthdaymug. by Cgaul November 19, 2016
Get the reverse hombremug.