1 definition by ykylm7609

Top Definition
noun. often used as a surname, but mostly considered another word for 'sex addict'.
Mr A: i had the most amazing sex last night! it lasted hours!
Mr B: you're turning into a 'brightwell'

or

Girl: NO I WILL NOT SLEEP WITH YOU! STOP BEING SUCH A BRIGHTWELL!!
by ykylm7609 August 26, 2009

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