laugh my roass off, which replaces "fucking" with "robut"
robut is a canadianyoutuber who makes different types of epic content
LMRAO is used when Robut is present.
Usually used when someone says something funny online/in a text.
Person 1: LOL, earlier Joey fell off his skateboard in the middle of a kickflip, and yet he claims he would've been able to do it.
Person 2: LMAO, that dumbass can't even ollie.