An adjective describing something that exceeds its perceived upper bounds.
"Why not just make ten the top number and make that the highest?"

"...these go up to eleven."
by rancidmonkey February 13, 2004
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Taking something one past the limit.
From "This is Spinal Tap" refering to guitar amps only going up to 10.
Let's take this up to eleven!
by katie tran February 11, 2004
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I term used in the movie "This is Spinal tap" It is another way of say "I'll give it 110%"

Thus meaning you'll give whatever you are doing extra effort.
We like or music turned up to eleven.
by Baron Von Sillypants June 1, 2003
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normally you'd say let's crank this shit up to eleven because its soemthing really awesome and cool and you wanna take it to the next level
Jack:Dude i got some chronic wanna smoke it?

Tim:Let's crank this shit up to eleven
by skeet bro April 5, 2009
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