an abbreviation. It means Laughing My Fat Ass Off Yet Still Typing. Commonly used by teenagers when chatting.
@girlcoholic LMFAOYST!!!!!
by gokillyourselfmate April 29, 2010
Get the LMFAOYST mug.Related Words
lmmfaoysb • LMFAOYST • lmmfaosfhibmmff • lmmfaosfhinef • lmmfaosh • LMMFAOSHICBB • LMMFAOSHISMD • Lmmfaoy