LMAOSHMYSFOMHAIDMT Share definition Flag Laughing my ass off so hard my sombrero fell off my head and I dropped my taco! LMAOSHMYSFOMHAIDMT, Shane! I can't believe you just made me remember that funneh thing about IRC, yo! LMAOSHMYSFOMHAIDMT by beejereeno August 4, 2012 0 0 Get merch Get the LMAOSHMYSFOMHAIDMT mug. Buy Now — $32.95 See more merch