A sexual act when the fister is under the effects of caffeine (i.e. 5 Hour Energy or Coffee) the fistee May expect more powerful thrusts.
Chet: Well she just wanted fisting but I forgot about the RedBull I drank so I went pretty hard.
Bob: Woah, you Coffee Slamed her?!Did you at least send flowers?
Chet: Why would I?
Bob: Dude. She’s in the hospital.
Bob: Woah, you Coffee Slamed her?!Did you at least send flowers?
Chet: Why would I?
Bob: Dude. She’s in the hospital.
by KaseDefined January 27, 2018