When you decide that you can skip going to the gym, because you had some sweaty, exhilirating sex, that you feel you've worked out hard enough, and have burned those calories just by banging
Trent: "Morning babe, want to go work out with me?"
Abby: "How about you just work me out and do some sexercise instead?"
When you conduct an experiment involving a sexual act. Rhymes with experiment.
1: Dude, I'm going over Linda's house.
2: Isn't she your lab partner?
1: Yeah, we're gonna be doing some experiments.
2: Maybe you could talk her into doing some sexperiments.
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.