A homely-looking woman who wow-ed Simon Cowell on Britain's Got Talent with her jaw-dropping performance of "I dreamed a dream" from Les Mis
Did you see that Susan Boyle has over 40 million hits on youtube?
by skippinit April 17, 2009
Noun: An ordinary person. Generic for any average female. Could be anyone. Could be you.
Well, this regular Susan Boyle walked right up on stage, and she rocked it like Mick Jagger!
by Flappr February 2, 2010
A code word used among the females for their period.

Can also be used for feminine care products, such as pads or tampons.
Amanda: *runs into the bathroom screaming*

Sasha: "Oh she's got her Susan Boyle."

-Amanda comes back from bathroom, looking helpless-

Sasha: "Do you need a Susan Boyle?"
by asian_swag October 9, 2011
verb; when one's first judgement is proven completely opposite
Bobby: "Wow, that cake looks like crap... holy god it's good!"
Freddy: "Threw a bit of a Susan Boyle, didn't it?"
by britishindia June 3, 2009
n. an underdog;

to pull a *, v. to do something miraculous; to wow or amaze a skeptical audience; to achieve success beyond initial belief or against the odds
She always surprises us. She's a real Susan Boyle.

She totally pulled a Susan Boyle when she got a 1600 on her SAT.

"Did you see that girl on Top Model last night?" "Yeah, she was a total Susan Boyle!"
by creepingcthulhu April 17, 2009