Acronym for "I Run This Bitch". To have control or power in a certain click, group, clutta, team, gang, etc.
by LilTDawg July 20, 2008
Get the IRTB mug.friend1: omg
friend2: what
friend1: i just saw a pic on your bfs myspace of him w/ another girl
friend2: ...
friend2: IRTBTT
friend2: what
friend1: i just saw a pic on your bfs myspace of him w/ another girl
friend2: ...
friend2: IRTBTT
by qwertyuiopbby October 14, 2007
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