A tall, blond man-boy who wears a lot of plaid, short or long sleeves. Sweet, but enjoys movies with lots of boobs. Likes to make up phrases that people have never heard of. enjoys drinking sour puss, and hates to drink beer. Nai-Nay is a playa, who knows how to please the ladies, and when there are no ladies, he sure can pleasure himself! A master of Halo and everything to do with XBox, due to his obsession, he is slightly pasty. Like Dinosaurs both on his socks and pillow. Has an extensive movie collection on his Mac, and 151 on the first shelf of his bookcase. Like to live with Guatemalans, Irish Folk and Calgarians.
Guy 1: That guy sure wears a lot of plaid.
Guy 2: Yep, he sure is a Nai-Nay
by ThePlaidLads October 16, 2013
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"Want to go bowling tonight?"

"I'm gonna have to say the nay no my brotha."
by Whateverthemess January 14, 2009
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when a girl walks by with her heels on! nai nai!
by Dapeach February 8, 2012
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A common name in the Mien language, it is a name usually given to the second-born daughter. Also connotative to awesomesauce.

Because of their dyslexia, most Caucasians pronounce it as 'nia' or 'nee-uh'. However, this is not the case. The actual pronunciation, albeit a very simple one, is 'nye' (as in Bill 'Nye', the science guy).
Muey: Nai came out of my mom's vagina after me. Therefore, she is my younger sister.
by naibot December 2, 2009
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To be fucked over hard sexually or mentally by someone of superiority to you.
"Hey Todd ! John just Nay Nayed the fuck out of Hunter"
by Papa Wallams October 19, 2017
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Another way of saying 'nice'. Mostly used in 'spanglish'.
Hombre, your Mexican food was nais!
by Landolf December 1, 2007
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What rock star Billy Squier often says when he is intending to say the personal pronoun, "I".
{Sung, as in Squier's song, "(Another) 1984"}: Nai can't uranate!

(literally translates to, "I am not able to infuse this molten glass with an anion oxide of the heavy metal uranium")
by Telephony September 12, 2012
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