1 definition by DR CHEESE******

Top Definition
A close friend who is either a rat bastard or leech.

Other uses:
Pankro, Polanko, Chato, fucking rat
1 hey you want to chill with Luis
2 no hes a fucking panco
3 whats a panco?

2 a fucking rat bastard.
by DR CHEESE****** April 12, 2011
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