Laughing head off
Did you see that YouTube video of the dog chasing its tail?
You mean LMHO. LHO is nothing.
|LMHO||Laughing my head off|
|LMAO||Laughing my a** off|
|PIMP||Peeing in my pants (laughing)|
|LMFBO||Laughing my fat butt off|
|LMFHO||Laughing my freakin' heart out|
|XDD||Laughing especially hard|