Relaxing or hanging out in it's laziest form.
What are you doing after work? I am about to twist this weed up and be big chillin until the party starts.
by JoeMomma's Best Friend November 02, 2013
Long, vigorous sessions of masturbating.
Dude, after I saw your mom I went home and had a Big Chillin for two hours!
by dnefpooz July 27, 2008