Double Nippin' 

Derived from the term double dippin, Double Nippin refers
to a mother who is breast feeding her child on one nipple then
decides to change to the opposite nipple during the breast feeding session.

Reasons for double nippin may vary from mother to mother.

Guy #1: dude, did you see that mom last night double nippin' at the Christmas party?!
Guy #2: heck yeah man, she was hot!
Guy #1: yeah, and we got to see both nips!
Guy #2: woo hoo!!

Double Nippin' by cwazyboy123 December 10, 2009

double nipping 

Sorry ladies, double nipping is limited to women with tits large enough to get the nipples close enough together to suck on both of them at the same time.

She loves double nipping, especially while she is riding on top.

double nipping by 2B+ October 25, 2016