noun - 1. Bad breath consistent with that of a pirate's.
2. Smell associated with the breath of someone who just smoked a cigarette.
3. Any foul smell, such as one you might find in a public restroom, etc.
Man, that homeless guy had mondo pirate breath.

"Why you throwin up, man?" "that girl i just made out with had Mondo Pirate Breath."
by whodjones January 14, 2007
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