ithyphallic, adj. Gk Hist.
1 a of the phallus carried in Bacchic festivals. b (of a statue etc.) having an erect penis.
2 lewd, licentious.
3 (of a poem or metre) used for Bacchic hymns.
Etymology
LL ithyphallicus f. Gk ithuphallikos f. ithus straight, phallos PHALLUS