1.) To leap on top of a human being in the sitting position and rub one's testicles slowly across the scalp while simultaneously and repeatedly screaming "SLOOOOOOOWEEEEEE" in an extremely high pitched voice.
2.) The opposite of a quickie
DAMMIT!!! One time at camp that kid jumped on top of me and gave me a slowie!!
A blowjob, performed with expert slowness.
That chick gives great slowies.
a person who is slow, a blond, someone who never gets a joke or any thing for that matter, unless explained numerous amouts of times.
smart person: knock knock
slowie: umm whos there?
slowie: whyyoucryin who?
smart: no really why you cryin?
slowie: uhhhh i dont get it
smart: uggg slowie!