Usually used when someone says something funnyonline/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.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.