Someone who has LAMS likes to be the centre of attention and if the room goes quiet they draw attention to themselves by being silly... or leaves a room returning wearing a wig, costume or doing something to draw people to look at them.
Yooo, his gf is totally a L.A.M.
1. Acronym letting people know you are having a good time.
2. A self-depreicating, self-counscious realization that you wrote something stupid, but are too lazy to delete it and type again, therefore only add LAMS
I just picked up the preparation H instead of the clearasil. LAMS
I've been on facebook so long, my dinner burnt to a crisp. LAMS
Sorry I didn't text you, I dropped my phone in the toilet. LAMS
Damn, more nose hair! LAMS