People who live nearby or in your general neighborhood. In additional to the obvious geographical meaning, the term has deep emotional, philosophical and (some say) sexual implications.
Person 1: Yo - you wanna invite the neigh-neighs over tonight?
Person 2: Yeah! Let's invite them for yokie-dokes!
by Spy Shack May 02, 2014
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A male Human... Who wud think of calling male humans neigh-neigh's??? Weird.
Prof.: and so that is the anatomy of... a neigh-neigh's Penis.
by sabian June 02, 2004
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A blonde cat with a Swedish name. EVERYONE LOVES NEIGH NEIGH
Lizey: "Did you just see that Neigh Neigh?"

Jin Jens: "No."
by JINJENS March 24, 2011
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A celebration or action requiring intense training to pull of correctly, usually by playing fortnite for a phatt amount of time.
VoiceOverPete: “Acquire that bread, neigh neigh on those noobs and achieve another sick W” *proceeds to dab*

Home Boi: watch me whip, watch me neigh neigh
by BuildThatWall December 25, 2018
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A horse
A cow that neighs repetivley
Mooooo! Not neigh, but mooooooooo! Do not be a neigh neigh cow! Be a regular cow!
by Urgrleboo (still me) May 22, 2011
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