an award for something well done
usually consisting of a thumbs up and a grin similar to one Robert Deniro would make if he was impressed.
friend1: "hey check it out i discovered a way to turn water into gasoline"
friend2: "thats amazing we'll never need to pay for gas again!!!"
friend3: i think he deserves a deniro face
by Keegan Orange June 22, 2005
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When you bang the bejesus out of the homely office secretary after getting tanked in front of the whole office staff. This makes for extremely awkward and uncomfortable situations every time you avoid eye contact with her in the office and everyone else laughs like a hyena behind your back.
Did you hear? Colin pulled an Awkward DeNiro with the secretary last night. What a flaming douche bag!
by Rodney Maslow November 4, 2006
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November 24th is Deniro day.
The day we celebrate the great man by taking a selfie of your best Deniro face and make it your FB profile pic or twitter pic.
It's Deniro day! I have an actual use for all of my deniroface pics. Are you talkin' to me?
by EmpressMe November 24, 2013
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1) Verb: To Robert Deniro is to ruin your badass reputation by choosing to do soft or silly things, perhaps (but not necessarily) to make money. To sell out.

Origin: Robert Deniro was once a badass and respectable actor, showcasing his skills in films like "Raging Bull" and "The Godfather Part II". He then decided to do stupid comedies like "Meet the Parents" and it all went downhill from there, culminating in his latest embarrassment "Dirty Grandpa".

2. Noun: A Robert Deniro is someone who used to be a badass that everyone admired but, through bad choices, has become a lameass disappointment.
1. Verb: Al Pacino has begun to Robert Deniro his career with films like "Jack and Jill"

2. Noun: I knew that Senator Elizabeth Warren had become a Robert Deniro when she refused to endorse fellow progressive Senator Bernie Sanders for President. When she finally endorses corporate neocon Hillary Clinton, I'll know that her transformation is complete. What a shame.
by BigOwlLittleCat June 9, 2016
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adj: when a person flies off the handle suddenly without reasonable provocation.
When I told her there'd be a 15% restocking fee, she went from zero to DeNiro!
by Landru428 January 20, 2011
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A Deniro is a fake wanna be Italian mixed male or female who's bloodline is unsure since they have an Italian like appearance and usually moles on their face. They can be easily spotted at night clubs with Blacks and Hispanics wearing flat caps backwards or really slutty outfits. When asked their nationality which more often they will bring up than others their response is a firm and usually cocky "I'm Italian" but their last name is usually McCallister or Hubert. They sometimes have some kind of Roman Deity tattoo or something in Italian or an Italian flag tattooed on their body. These people watch Jersey Shore and feel a real connection as none of them except 1or2 are actually Italian. They have fetishes for Black Chicks/Dudes and often are dumber than Channing Tatum.
" Man that dude Robbie looks straight up from Jersey shore looking all Guido like Mike"...

"Nah he's a Deniro, his mom is half Italian or some shit"

Jimmy was denied membership to the ol' Son's of Italy club because he was a Deniro and his heritage could not be confirmed nor denied... he cried himself to sleep with a jar of Lupini beans and a Jersey Shore Marathon
by Tommy Gun Maddox July 11, 2012
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