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Refers to someone that continuously asks you for money or is always begging for your last cent. They are always after all the money you have in your pocket...hence the lint.
:"Hey Jeff...can I have like...20 bucks?"
(sigh) "Alright Fred"

Three days later

"Hey can I have like ten bucks?"
"Dammit Fred, your such a lint muncher."
by Roppe March 17, 2008
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