A ballistic wank is where you masturbate but don't catch your load, causing it to be fired like a projectile across the room... This is usually done in hotel rooms and rental properties where the landlord is a douchebag
by Flat.Turd June 2, 2020

mother: sons, i am gone to my hairdresser appointment, i don't want you to ballistic on each other, i know you like to fight, but please watch TV comme du monde while I am gone.
older son: yes mom!.
older son: yes mom!.
by Sexydimma August 31, 2013
