Top definition
any reflection of the sun off an irregularly shaped object that creates a jellyfish-like image on the ceiling
"Dude, what's that funky thing on your celing?"

"Which thing?"

"That's funny it moves when you move."

"Really?"

"Yeah ... it must be a ceiling jellyfish coming from your bald head."

"... hmph ... "
by Rossisaurus February 06, 2010
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