look up any word, like lesbiauntie:
 
1.
1. to talk shit or hate on another person
2. to trip
3. to eat or consume food or drink.
A yo, why he launchin yan?
by DeShawn Bowden November 16, 2005
 
2.
v. Lying about something. Acting like you got something or did something that you really didn't.
You launchin' dog stop that mayne.
by Memphis Reppa June 10, 2007