1 definition by Greg the man slut

Top Definition
Man or person(s)of dubious heterosexuality. Someone who proffesses to be straight but is quite obviously a homosexual.
The most famous definition of a Jambo would be the flambouyant Elton John.
OMG dd you see that John Smith is getting married?
Ohhh, I know. He's such a Jambo.
by Greg the man slut November 18, 2006

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