When a guy getting a blow job puts on a Darth Vader mask and ruins the moment for the chick giving him head just before he blows his load. Also, he breathes into the mask telling her he's about to blow his load while sounding like James Earl Jones with the heavy breathing bit.
"I was giving Matt a special yeaterday and he decided to pull a DarthVader on me."
Its when you cum in a girls mouth and your jiz makes the roof of her mouth and the lower part stick together so when she tries to breath through her mouth it sounds like darth vader breathing
v: to impose sexual activity upon a female while wearing a darth vader mask and/or costume while she is greatly intoxicated.
n: Darth Vador: the act of misleading an intoxicated female into partaking in sexual activity with a man disguised in a darth vader mask and/or costume
darth vador (adj): the essence of using a darth vader costume and/or mask to mislede an intoxicated female into partaking in sexual activity
Yo, I darth vadered that chick soooo bad last night. She has no clue who it was!
I'm gonna pull a darth vader... she'll never see it comming
when some chick is giving you a job and and squeezes the base of ur john, making your head turn black as a result, and looking like darth vader from star wars