When you are balls deep in a vagina and realize that this vagina feels exactly like your ex-girlfriends vagina
Dude, I was banging Laura last night and when I closed my eyes I had deja-vagina, I could have swore I was banging Brittney!!!
by Wealthy big penis 69 November 12, 2015

The instance of feeling that you have been somewhere before or met a certain person, only to realize that you were black-out drunk at the time.
Eddie: "I think I've been here before...this looks familiar."
Steve: "Dude, when would you have been in a strip mall in Tijuana?"
Eddie: "I think on my birthday."
Steve: "Ohh, you must have deja booze."
Steve: "Dude, when would you have been in a strip mall in Tijuana?"
Eddie: "I think on my birthday."
Steve: "Ohh, you must have deja booze."
by LeadBurnsRed March 28, 2010

That feeling you get when you see a nude that you're sure seems familiar. Can be caused by similar poses or appearances. Often a result of nude hoarding.
by GameTripp May 26, 2017

by Shrikey March 22, 2004

Malarke: ...Wait, didn't I just say that? Woah.. Deja Vu.
GiLsKieZz: No man, it was a glitch in The Matrix!
GiLsKieZz: No man, it was a glitch in The Matrix!
by Malarkeee March 18, 2008

n : the experience of thinking that a new situation had occurred before
It is an illusion of having already experienced something which in actual fact it is being experienced for the first time.
French : déjà, already + vu, seen
It is an illusion of having already experienced something which in actual fact it is being experienced for the first time.
French : déjà, already + vu, seen
An impression of having seen or experienced something before: Old-timers watched the stock-market crash with a distinct sense of déjà vu.
by plinko May 20, 2005

deja vu is the strange feeling you get you when something happens that you feel like has happened before, but hasn't ever took place.
by chas wildberger August 6, 2006
