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2.
Stewie Is The The Baby On The Family Guy, In My Opinion The Funniest Show Ever
The Life Of The Wife Is Ended By The Knife.- Stewie Trying To Teach Eliza To Talk Right
by jdawg12 July 30, 2005
 
1.
The most intelligent/maniacal/deviant one-year-old you will ever see in your life, and clearly the best character on Family Guy. Seth MacFarlane is such a damn genius.
"So, is there any tread left on the tires? Or at this point would it be like throwing a hot dog down a hallway?"

Stewie is a bad-ass muthaf****. Don't mess with the best.
by paper and pantry October 05, 2005
 
3.
Stewie is along the lines of hyphy, mainy, & ignorant.
(It's that bay area lingo.)
I'm feelin' real stewie today.

John is lookin' real stewie.
by jz24 March 17, 2006
 
4.
noun.
A semi-erect penis.

verb.
To have sex with someone with a semi and leave halfway through.
How did it go with Joe last night?

Fucking terrible. The bastard stewied me.
by Jil-dawg April 26, 2014
 
5.
Petter Griffon's son on Family Guy
Stewie just said that!
by WillyRob October 27, 2011