Yeahman

an affirmative; usually spoken with a slight nodding of the head.
Guy: Dude, wanna toke up?
Dude: Yeahman!
by k3ll0 April 19, 2009
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Nahman

a negative; used to express refusal or denial or disagreement.
Dude: "Is today your birthday?"
Guy: "Nahman!"
by k3ll0 April 19, 2009
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