An erection. A dick getting hard due to sexual excitement. Hot girls tend to make a guy’s dick all stiffy.
Me: (Watching a Marilyn Monroe documentary film)
My mother: Are you getting all stiffy?
Me: LOL, shut up.
if you have a stiffy then you should send me a pick on snap jerregates21
oh shit, i have a stiffy better send it to jerred
a hand job (jerking off) given by yourself or another person.
my girlfriend/boyfriend gave me a stiffy in the car.
The arousal of a male through the interference of Supernatural beings
Ghost Blowjob
"Graham got a spirit stiffy from poltergeist molestation."