A glass thing that lights up. Thomas Edison created it. In some comics/cartoons when a person gets an idea a light bulb pops above their head.
A light bulb makes light.
by Freya-Chan April 1, 2010
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sex position that involves the penitration of the asshole with a lightbulb during the sexual intercourse with a gaggle of silverback apes
jonnie onufrak set the record for getting light bulbed in one hour. 903458403853853080945times(wow)
by Jonnie Onufrak June 18, 2008
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a turd that is skinny, but then gets really thick.
He launched a light buld into my neighbors mailbox.
by greenlm February 15, 2003
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it shines light, that’s why it has the word light in it. dumb mf why would u search this up in the first place, ofc yk what a mf light bulb is
bob: what’s that light from the ceiling?

jess: it’s a light bulb u retard
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A device used to blind someone till they go insane and claw their eyes out
Drew: Have you ever used a light bulb?

Sam: Yes, but where are you?
by MarshMellew March 5, 2021
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It is universally accepted truism that being a "Light Bulb" is the Asian equivalent of being a Third Wheel.

Light Bulbing is the verb form.
Mana: "This Korean BBQ is delicious!"

Danielle: "I know! I'm so glad we came here. We come here so often we're practically a married couple...oh, I forgot David was here. You're not part of our married couple, sorry!"
David: *busy light bulbing away*
by UniversallyAccepted! January 21, 2012
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