Adj. The need to work out or get in shape due to a real or perceived feeling of fatness. Usually triggered by clothes that don't fit, a higher-than-expected scale reading or a comment.
when your girl knows your feeling lethargic, depressed, hungover, or about to attempt something risky, and she gives you a blowjob to get the baby batter off the brain
MAN: "Thanks for the BLOWTIVATION baby, now ill definitely be able to jump this thirty foot gap."
Stephanie was rubbing up on me last night on our first date. Sure enough when we went back to my place I found out how blowtivated she was when she almost sucked the skin off my schlongdong.