Top Definition
To quickly put out. As in sexual favors.
"Did she smuth last night?"
"OH yeah, she smuthed alright."
"Mission accomplished."

"Would you smuth for Ashton Kutcher?"

"Alcohol makes me smuth."
by Jessica Yoon October 14, 2006
a lazy, selfish person.
My dad is such a smuth, he makes me get him soda!
by viajay October 28, 2008

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