What is lightbulb?

had a revelation; realized the truth/gospel/whatever; saw the light; noticed... etc.

John was struggling with his english homework when he lightbulbed on a hidden symbol.

lightbulb - meme gif

To be a "third wheel" in a situation where only a couple should be together. Think of the single lightbulb in an interrogation room.

I wish Monica wouldn't be such a damn lightbulb... I want some quality time with my boo.

Word used to describe an inbred child that has a massive forehead.

That Drew kid is so creepy with his massive forehead.
It looks like a 'lightbulb'.

Where one shoots another person. Then proceeds to have sexual intercourse through the new hole in their body.

Hey! let's go lightbulb that one manly fatass band teacher!

Ya alright...

Glass tube which emits light when an electric current is run through it.

That is one NICE lightbulb.

Noun.
Slang for a Crack-pipe. Mostly used by tennagers in Hawai'i, to throw off their parents and teachers to the fact they are Tweekers

Ed, bring your lightbulb tonite, Brock's got some good shit.

Q: How many surrealists does it take to change a lightbulb?

A: Fish!

May I change seats with you sir? The lightbulb directly in front of me is blinding me.

Electric lamp consisting of a glass bulb containing a wire filament (usually tungsten) that emits light when heated.

Geek One: What do you do in your free time?

Geek Two: Change lightbulbs!

Q: How many Hagaren fangirls does it take to screw in a lightbulb?
A:....
Fangirls: OMFG WHAT IF ENVY *IS* THE LIGHTBULB!?!?!?