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1.
mmm good sexual act. very enjoyable.
he was being a nipple nibbler all night and i cam from that alone!
by sextraodinare February 25, 2004
 
2.
to nibble on the nipples of male/female
damn girl i dont like when you fucking do that shit nipple nibbler
by Anonymous March 19, 2003
 
3.
Guys (or girls) who prefer sucking on tit nipples to achieve or deliver sexual pleasure.
He spent most of the time on his date proving he was a Nipple-Nibbler.

He's a confirmed Nipple-Nibbler for sure!
by Alisa the Teeny Bopper April 03, 2010