1 definition by Meredithyng

E.N.A.

Erect Nipple Alert. Used first in a Degrassi short called “DeView” it has since blown up as away to discreetly tell you friends Jack Frost might be nipping at their clothes.

“Hey Emma, E.N.A.”
“E .N... what?”
“Erect nipple alert!”

by Meredithyng September 7, 2018