What is Idrlolbisida?
1.
Stands for "I didn't really laugh out loud, but I'm saying I did anyway."
Because most people don't even actually laugh when they say " 
girl 1: "omg ystrdy i 8 a hole bag of chips"
girl 2: "idrlolbisida"
girl 1: "lol"
See 
Random Words:
1. 
To cause trouble or to create mischief.
Hey guys, do you have the eggs and paintball guns so that we can run-a-muck tonight?..