A sexual act where one blows his load into a girl's mouth, then jams cut up lemons into her mouth so she makes a scrunched up sour face, looking like Rene Zellweger.
You should have seen this girl after I gave her a Zellweger last night. Thankfully I remembered to bring my lemons with me.

by Ron- April 6, 2008
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A Zellweger is a unit of time, defined as the average length of a Rene Zellweger marriage. This is approximately 3-6 weeks, but varies widely based on her recent exploits.
Wow, I can't wait for this semester to be over! There's only about a Zellweger left until break.
by Wrathskellar August 30, 2009
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(v.): to completely change one's appearance in a short period of time while denying having had plastic surgery

or

(n.): someone who is mistaken for you but who looks nothing like you; extremely awkward doppelgänger
"dude she totally zellwegered since last week!"

"whoa thought that was Fred, but I just waved at his zellweger!"
by schticktionary October 22, 2014
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A well known actress that can act quite well but DAMN she's ugly.
Renee Zellweger has three important awards but she is STILL ugly.
by igivedefinitions April 18, 2011
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the anti viagra, i.e. the cure for a case of the boners
Looking at a picture of Renee Zellweger is a one way trip to flaccid-ville
by The Clowns Pocket March 6, 2008
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Renee Zellweger: An extraordinarily hideous actress who looks like she's suffering from a variety of different syndromes; namely: anaphylactic shock, constipation, variola major (smallpox), and bloating.
Just look at Renee Zellweger's "un-touched" photos. Serious allergic reaction there.
by Jada Skye October 28, 2006
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(v.) letting some random stranger have the luxury of paying for your overpriced restaurant meal.
'Man, I hit it big last night, I met this hot chick. Trouble was, she Zeta Jonesed this huge carbo dinner at Babbo, then she Zellwegered me.'"
by Societe Anonyme April 27, 2003
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