Top Definition
A play on the English writer J.K. Rowling's (writer of the Harry Potter Series) name. It usually means "Just kidding, and I am laughing aloud at the same time" or just "I am currently laughing aloud".
Frank: Dude you're such an asshole sometimes, you know Sarah and I broke up last week.

Joe: I was J.K. Lolling (insert emphasis here).
#lol #laughing #jk #kidding #syke
by Baeowulf February 20, 2008
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