Top Definition
to cast an aura of nissness on a particular person. If u know your boy has a tough situation on his hands..u can nissify him in the hopes that he will succeed and be niss in his task.
Dawg, before Dirty goes to talk to that girl i better nissify him...he hasnt taken a shower in weeks this is our only hope

- I heard everytime Stern goes to kick an extra point this season coach Mac is gonna try to nissify him so he wont miss it
by griff August 13, 2006
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