something of inferior quality or a person or pet worthy of little regard
Tahoe (pet dog), stop pissin on the rug you little shitbreather!
by Benjamin Giggles January 27, 2003
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One who has fellated a shitcock.
Ben just sucked my shit cock. That kid is such a shitbreather.
by Anonymous January 28, 2003
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person whose breath reeks of ass.
Troy sure has shitbreath after assmunching his queerbait buddy.
by godhatesfags August 2, 2008
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Someone who would eat a steaming hot pile of diarrhea directly from Trump's anus just so he can "trigger liberal snowflakes" by making them smell their breath.
Trumper: "even if my wife gets deported I am going to vote for Trump in 2020 just to piss off those goddamn liberals"

Regular person: "you are a real shitbreather".
by Meherbaba November 2, 2018
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