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To laugh so hard that you pee your pants; a combination of laughing and wizzing. Used in an episode of 30 Rock.
"After seeing that show, I was lizzing all night."
by Hotdog99 March 26, 2009
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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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2
A combination of laughing ang whizzing according to one Elizabeth Lemon of 30 Rockefeller
Athletic G. W. Bush dodging shoes!

Hahahaha, I'm lizzing! I'm lizzing!
by Mark-Antoine H. March 27, 2009
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3
Lizzing is a combination of laughing and whizzing, it happens when you're laughing so hard you start whizzing a little too.
I saw Joanie trip and fall down the stairs while carrying a large stack of papers and it was funny I started lizzing.
by Engine-ear March 26, 2009
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5
v. laughing + whizzing = lizzing.
Tonight's episode of 30 Rock was so funny I found myself lizzing along with Liz Lemmon and Tracy Jordan.
by supersameer March 26, 2009
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6
Laughing so hard that you pee your pants.
The words "wizzing" and "laughing" combined.
" Sam laughed till he was lizzing!"
by doomcakee March 26, 2009
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