lmmfwaao 

Lmmfaao means Laugh My Mother Fucking White American Ass off

When you tripped I was, LMMFWAAO

lmmfwaao by Kadhija March 5, 2011

LMMFWAO 

As in saying Laugh My Mother Fuckin White Ass Off

George: Knock Knock
Craig: Whos there?
George: Deez
Craig: Deez Who?
George: Deez Nuts!
Craig: LMMFWAO!!

LMMFWAO by kCCCCCCC13 March 14, 2009

LMMFWBAO 

L - Laughing
M - My
M - Mother
F - Fucking
W - White
B - Bitch
A - Ass
O - Off

He told me about the situation in the diner off Rte 17 and I was like LMMFWBAO

LMMFWBAO by juicifoxx March 27, 2011

LMMFFAAO 

Short for: Laughing My Mutha F*ckin Fat Asian A** Off. Most commonly used by very big Asians to get a point of responsive humor across to the other person or persons. In replacement of LOL, but only used for fat Asians.

Person: Your name backwards sounds like jack-off!

Me: LMMFFAAO

LMMFFAAO by FLiP4990 July 29, 2011