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1.
Referring to men who show excessive adulation of a woman after too few dates.
Fay was shocked to find that despite being intelligent and funny, Roger was deep down, just a leebo.
by tkc2000 March 13, 2009
 
2.
Used to describe something when drunk, particularly something indescribable, or if you are finding it hard to describe at the time.

Also, leebo can be written onto peoples hands, with many reactions:

- Those who are self conscious or untrustworthy may ask why, and what leebo is.
- Those who do not give a damn just let you write it.

A fun game.
Hey, that's leebo, eh?
by Garrius Mabonimus Maximus April 27, 2011