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just another way to say you suck. When people are annoying you or getting you mad or even if you had plans to do things with someone and all of a sudden they cant, you respond with "You Blow".
Gosh you blow!

"Are we still going to the movies this weekend?" - boy
"No I can't. My mom won't let me out." - girl
"Damn you & your mom blow" - boy
by Tim-la March 10, 2008
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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A brand of expensive wrist watch. Actually spelled Hublot, but the YouBlow spelling is more accurate, due to the legend-in-their-own-mind type of person who wears them.
I saw that rich kid wearing a YouBlow watch at the nightclub last night. Watch a pompous douche.
by Roidsboy December 20, 2017
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