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2.
n. Characterized by having phallitosis.
Rob has the worst case of peckerbreath I have ever encountered.
by Harry Flashman July 02, 2003
 
1.
Used to describe someone who "sucks dick" (not in the literal sense). Similar to: brown nosing, kissing ass.
Hey pecker breath! Get off the boss's dick.
by bulletproof tiger April 30, 2009
 
3.
Somebody who has just given oral sex to a man and has breath that smells like penis.
Man! I just talked to Alice and she had the worst pecker breath I've ever smelled!
by Layla Lovely January 11, 2009