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2.
To waste time doing small, insignificant tasks when you know you should be doing something else (but don't want to).
"Stop organizing your sock drawer! You're yalning again."
by Spang November 27, 2005
 
1.
You ain't lying!
Stephen: Great Minds think alike!

Dana: IKR! YAL'n!!
by Pink Reign November 24, 2011