Top Definition
A one of a kind type of girl, Extremly witty, often sarcastic and always up for a laugh. Very senestive and often dramatic, Beautiful and charming not to mention has the bedroom skills of a porn star! Can also be quite crazy... but when u get a Niamh that loves you, she will love you with with all she has got so dont let her down as once she is hurt shes gone forever!
That girl is crazzzzzzy like a Niamh!
by Loumooo February 16, 2010
A name of Irish Gaelic origin. Meaning, 'bright'. Pronoued 'Neev'
Niamh is a nice name.
by Neavers November 09, 2006
A beautiful, intelligent funny girl who's most outstanding feature is her kookiness and sense of humour. Usually attracted to asian men. Talents include creative skills, such as drama and art. A Niamh is a very good friend to have. Normally has a very attractive male sibling.

Weaknesses include a tendency to be insecure about themselves, and a strange obsession with Harry Potter.
I love Niamh!
by MrsPotter June 14, 2010
The most amazingest girl you shall ever meet. Everyone loves her for her sense of humour and being herself. Gets along with everyone, however has a naughty side;) Very good at keeping her emotions in and putting on a brave face. Can be sensitive to things said about her or a certain someone although she may not show it.

Overall Niamh is a lovely, fun to be around girl!
I love Niamh, shes so funny!
by blahblahblah2081 April 30, 2011
A ray of sushine
Niamh lit up my day
by smifffffffffff May 21, 2011
The prettiest girl alive. She is a really good friend and is cute and gentle. Sometimes she can get on your nerves but she is so wonderful to be ignored.
"Hey dude, that girl is amazing. I so wanna go out with her!"

"Yeah, she is such a Niamh"
by ListenYaDo December 06, 2013
Niamh the act of DEVOURING a sandwich very FAST
omg who is that ?

oh thats niamh,she always comes out at luncheon hour..

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