gravy sex
The hot sweaty sex you have directly after thanksgiving dinner.
Can't wait til dinner is over so Jessica and I can have that gravy sex.
Sex Gravy
The accumulation of sweat and bodily fluids found in bed sheets after sex occurs.
Tom: Yeah I had sex in your bed last night. Sorry.
John: Wow thanks for telling me. Now I have to go clean up all of your sex gravy.
John: Wow thanks for telling me. Now I have to go clean up all of your sex gravy.