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1.
smutty language; to talk smut by using words heavily loaded with innuendo
stop talking smutter and get your mind out of the gutter!
by gilmoregal May 02, 2010
 
2.
a smut/slut who gets with many guys
"oh you fucked her, damn she be a smutter"
by yo your mom's sister November 06, 2003
 
3.
to use profane language under one's breath so those nearby can not hear you!
When he saw her with another girl he began to smutter.
by Ekim Neillad October 20, 2009