Green’s Dictionary of Slang

veiny bang-stick n.

a penis.

1997		Roger’s Profanisaurus in Viz 87 Dec. n.p.: veiny bang stick n. Penis; one eyed trouser snake.
2003		‘Maureen’s Lusty Confessions’ on Apartment 231 🌐 How I long to scale atop your veiny love stalk so that you may savagely spear my hairy doughnut.