Top definition
The action of looking from side to side, replicating a lighthouse. This occurs when one is being spoken to and they are attempting to locate a more interesting person to speak to elsewhere in the room while appearing to be listening to the person they are talking to.
I was trying to speak to cheryl last night but she wouldn't stop lighthousing which thoroughly put me off

Gerald was giving me another one of his lectures last night but as i started lighthousing he got the message and moved on
by Fotes April 18, 2010
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2
As opposed to "Gaslighting" it is the art of shining through the fog of deception, focusing upon the TRUTH of what is taking place.
She was lighthousing through his web of deceit and saw the truth of the matter.
via giphy
by FĂ ilte March 22, 2017
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3
To insert a flashlight into a body oriface (other than your mouth) so that when you open your mouth, a beacon of light is emitted, possibly from your eyes, too.
I was drawn through the dark by a beam of light, upon closer inspection, it was just my friend lighthousing with a flashlight.
by becca7775 July 23, 2007
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4
When you're lying in bed with your girl or guy on their phone, and you're trying to sleep but they keep shining the light from their phone in your face.
Brian: Tom, you look tired. Rough night?
Tom: Nah, Jen was on instagram and kept lighthousing me when I was trying to sleep.
by Iffy2 November 13, 2015
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5
when a guy pulls his foreskin back another guy puts his fore skin over the first guys bell end!
by Big Dave April 25, 2005
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