The result of freezing ones genitals in one's own cum.
Bob the Rapist: "That chick promised me a blowjob, so I made her a penisicle to suck on."
by GraceDecade March 26, 2009
When ice has developed around the male organ of copulation and, in mammals, of urinary excretion.
It's so cold outside I am sure I have a penisicle!
by Kvle March 10, 2010