Laugh My Tush Off: a PG-rated variation of LMAO (Laugh My Ass Off)
Peaches123: Kung Fu Panda 2 is so freakin' funny!
Rainbows90: I know! I cracked up when he said "Ah. My old enemy... stairs!"
Peaches123: LMTO! I was like OMG I know just how he feels!
Rainbows90: Wow. Stay that Lazy and you'll need to laugh your tush off.