A Terry-gasm is the orgasm a guy works out of his dick when he masturbates by rubbing his elbow on his big boner in his tighty-whities and has a cumgasm.
I tried to have a Terry-gasm in class today -- I did! - and my Calvins are all wet now!
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.