1. Noun, Person:

A famous character in the American Pie series of movies. Also, each of the American Pie Presents movies (Straight to DVD spinoffs) feature some member of the Stifler family.

Band Camp featured his brother, Matt, who we see briefly in the first American Pie movie when Steve steals his computer, to watch Nadia and Jim.

Both the Naked Mile and Beta House featured Erik Stifler, Steve Stifler's cousin.

2. Adjective. Used to describe someone who is sexually active, rude, crass, but loveable.
1. You've gotta love Stifler, he's just so awesome.

2. Man oh man douchebag, you're such a Stifler!
by SuckMyTestes535 December 23, 2007
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The original MILF. And Steve Stifler's Mom in the American Pie Series she is mainly known in the story line for having sexual relations with Paul Finch AKA Shitbreak and also with Jim's Dad in American Reunion.
Cmon Finchy ~ Stifler's Mom
Ohh Stifler's Mom ~ Paul Finch
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The character from American Pie who cusses frequently and is a "grandmother-fucker"
Steve Stifler is my hero
by Joe Mama June 19, 2004
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-the milf in american pie 1 and 2. finch boned her much to the embarassment of stifler
-HOT MAMA
finch: janine, janine!
stifler's mom: call me stifler's mom
finch: OH STIFLER'S MOM!!!!
by CrutchCrickert September 23, 2004
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when u say a swear word combined with an innocent word...like how stifler did in american pie
*someone* "whats up shitlips"....*you* "dude u use stifler speak too much"
by Sean Jaskiewicz August 30, 2007
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A tickling sensation you get on the tip or the middle of your penis when you masterbate or while having intercourse.
I was fucking my girl doggystyle and I got a stifler tickler!
by expert_penis123 September 29, 2010
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