1 definition by Fabilicious

When a guy asks another guy "do you fancy a bum?" he wants to know if he's into some man on man action.

Same as 'fancy ass sex'.
- Hey mate, what a nice day.
- Do you fancy a bum?
- I beg your pardon?
- Yeah, you and me, getting some.
by Fabilicious March 11, 2008
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