|1.||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?