1 definition by jewleuh

Stands for laughing so hard my Yamaka falls into my Matzo Ball Soup
Dude#1: hey remember that joke you told me?
Dude#2: yeah what about it?
Dude#1: i was totally LSHMYFIMMBSing about it
Dude#2: awesome
by jewleuh April 14, 2010
Get the LSHMYFIMMBS mug.