Niall is Gaelic for Troll man. Typically, a Niall is half troll/half man, with his mother being the troll.
Niall lives under a bridge and eats children.
by R3dK1ng November 26, 2021
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the true king of england but only the one with the last name begining with an m and ending in a h maybe but i might have written that wrong.
niall is a top shagga
by chris eater March 21, 2020
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I do not like him, he's mean. But he's also very sexy. He makes me cream and cum all at once UwU
"Who's that mean sexy man?"

"Oh that is niall"

*cums*
by PotatoBoy96Virgin October 18, 2022
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An absolute chad and legend tall, handsome and intelligent everyone wants to be Niall.
"Who's that over there, that absolute legend"
"Oh it's Niall, he's a legend"
by December 21, 2021
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Certified dumbass and probably an amazing Internet friend lol
Niall is a...
by Niall lol August 21, 2021
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Niall is...

Niall does..
Etc.
by Niall lol August 21, 2021
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