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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
 
1.
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
 
2.
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
 
4.
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
 
5.
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
 
6.
The glorious combination of laughing and whizzing (urinating).
That is too funny! insane amounts of laughter I'm lizzing! Stop, stop! I'm lizzing!
by Junkie1 March 26, 2009
 
7.
The laugh so hard you piss yourself.
Jack was so excited at his new toy he lizzed himself. The Lizzing continued for 30 seconds.
by John Peabody Smith March 26, 2009