by Anonymous August 21, 2003

The kind of thing an illiterate prick on You Tube might say to you after you tried expain to them in a nice way what a stupid thing they said and what a moron they are.
-I don't quite understand why well meaning praise and advice would inspire you to make such a ferociuos comment.
-my bad. o:
-my bad. o:
by Mr Sean June 1, 2006

A term used to tell someone that you made a mistake and apologize at the same time. Originally Used Mostly by African Americans but over the years it has become a more mainstream term; so it is not uncommon any more to hear anyone else (possibly in the professional world too) say it to admit to making a mistake.
Teacher: The answer to #1 is B (then he show his work)
Student: Sir I believe you are wrong. (student explains their answer)
Teacher: My Bad you were right and I was wrong, sorry for the misunderstanding
Student: Sir I believe you are wrong. (student explains their answer)
Teacher: My Bad you were right and I was wrong, sorry for the misunderstanding
by Yourname2 April 8, 2007

n. common phrase used to explain a deep sense of grief and sympathy for another upon which you may have directly or indirectly caused minute unrest.
by mcshaver January 22, 2009

by xJulia June 19, 2006

"Have you used my toothbrush?"
"No bitch, why?"
"Coz its got limescale on it, innit?"
"NO! I ain't used your skanky tootbrush."
"oh my bad."
"No bitch, why?"
"Coz its got limescale on it, innit?"
"NO! I ain't used your skanky tootbrush."
"oh my bad."
by Smurphy April 26, 2004

by Ryan311 February 13, 2008
