A sex act involving getting a hand job with improvised lube while in public. Typically this includes a handy given behind a fast food chain using used grease.
A sexual act done by a severely overweight woman (at least 400lbs) which involves the overweight woman scraping a greasy secretion from the fat rolls and using said grease to give a well lubricated hand job
(Can also be done by a man)
I went on a date with Shauna last night and boy did she give me a surprise… she surprised me with a Greasy CheeseBurger.. it was not what I was expecting… I did not enjoy it