(declension-1, feminine, vulgar) a penis with the foreskin retracted, especially when erect
(declension-1, feminine, vulgar) an erection, a hard-on
Pronounced as (IPA)
[ˈwɛr.pa]
Etymology
Possibly borrowed from a Germanic language, related to Proto-Germanic *werpaną (“to throw”). More likely from Proto-Italic source for “to turn round, to roll” (as in 'unfurl, peel back, or retract foreskin') via Proto-Indo-European *welw-, *wel- (“to turn, wind, round”).