1. someone, a girl for that matter, who's CLEARLY unable of using the supperlative correctly and therefore embarrases herself by grammatically marring what is obviously a downright LIE.

2. a whimpering resentful wench.

3. another name for mares.
1. I'm very much the most smartest person alivest. I'll go check the most goodest english grammar books so I can write the most witty definition about myself.
2. sobs, sobs, x 45645645623.
3. stop neighing, you sodding nini, or i'll have to have you spanked again!!
by The Flag Teacher April 8, 2004
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nini fetish - really liking nini, you cant live without her! shes to amazing. you think nini is awesome😋
“i have a nini fetish, she is amazing.”
by xowiek July 7, 2021
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Making fun of Democrats, to make someone think think you are a grandmother.
Tommy: wow I cannot stand people wearing pink hats
Mark: are you trying to nini bait me?
by Burleydad November 23, 2018
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Girl: Hey baby
Boy: Hey babe
Girl:I love you
Boy:Nini cupenda,baby, nini cupenda
Girl:Awwww!
by the_1_and_only_cutie February 28, 2009
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Ahhh shitniz; no way, that's awesome; that's bad ass.
Jeremiah: I got tickets for the Padres game tonight.
J: ahhhh sucka nini!
Jeremiah: yeah, its gonna be awesome!
by Jazzy Jeff II July 10, 2009
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a bitch who thinks shes tough but really isnt. always sucking dick. usually someone very young and immature.
Mary is such a nini its ridiculous.
by GangPullin September 12, 2016
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a dirty nini is when a bald guy fuck a dyke while she upside down and the guys mom watched
hey tony you remember when we did the dirty nini
by playmia February 26, 2022
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