nippli erecti 

Hard, erect nipples.

"Wet tee shirt contests sure bring out the nippli erecti!"

nippli erecti by Ourrias June 28, 2007

nipple erection

a word thats really cool and its when u can totally see your nipples through your shirt. its pretty nasty!

lena: omg! i cant even look at you!
me: why?
lena: you have like a nipple erection or something!

another name for it is nippleITITS

nipple erection by wow im soo not about to tell you May 19, 2005

Erect Nipple Syndrome 

(ENS) A phrase used to describe a woman in any situation who has pert, visible nipples coming from under a garment of clothing

Wow dude, check her out ENS!!

Erect Nipple Syndrome by David Dunlop March 3, 2004

nipplerection 

An erection of the nipples.

"OMG my nipples are hard, it a nipplerection!"

nipplerection by Justin J. L. August 20, 2006

E.N.A (erect nipple alert) 

The look of having your nipples stand out, "erect"

Usually someone with ENA does not have a bra on

Lucy:Janet, that girl has a major case of E.N.A (erect nipple alert)
Janet:OMG, Luc, she totally does! That ho must have forgotten her bra!
Lucy: What else do you expect from the school slut?

E.N.A (erect nipple alert) by Giuseppee! Or Gipsie August 17, 2009

nipplerection 

To administer a nipple or nipples rectally.

"The nipplerection in that porn movie nearly made me shit myself."

nipplerection by somethingplex1 December 16, 2011