lead in one's pencil en · NOUN
Meanings
-
(slang, uncountable) A state of erection of one's penis.
THINK RAMBO needs Viagra to put lead in his pencil? Guess again, my friends!
1998, Weekly World News, volume 19, number 40, page 17:
- (uncountable) Used other than figuratively or idiomatically: see lead, pencil.