by Gillian July 21, 2014
by Gillian January 31, 2005
by gillian July 24, 2003
of or relating to someones crazy older sister and secret language of which they speak. espeake de language. other family members consist of smuther (mom) biffidus (other sister) and papatuya (dad). usually spoken in stange baby squeek voice.
by gillian May 03, 2004
1.: A slang term for "most definitely."
2.: A rapper.
3.: Deaf - this useage is the least common, mostly by people who didn't understand it in the first place or mispronounced.
2.: A rapper.
3.: Deaf - this useage is the least common, mostly by people who didn't understand it in the first place or mispronounced.
1.: "Am I going to the party? Mos def!"
2.: "Mos Def is one of the best rappers of our time."
3.: "After that concert, they're mos def."
2.: "Mos Def is one of the best rappers of our time."
3.: "After that concert, they're mos def."
by Gillian January 04, 2005
by Gillian November 30, 2004