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One who Readily or frequently enters into casual sexual relationships with women to promote the welfare of others, esp. by the generous donation of sex to good causes.

One who participates in a sexual act for the great good;
A selfless act of sex.
"ah that fat girl in the corner looks miserable, good thing dave is coming to the party.. he's a philanderpist. "

girl #1 : "I heard he's been around... what a manwhore.."
girls #2 : " Oh no beb, he's a philanderpist."
girl #1 : "Aww.. what a kind and generous man!"
by MiguelC August 08, 2011
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