The trickle of semen following ejaculation (often by several minutes), which can be unexpected and make an unplanned mess.
"I felt something cold, then checked and, lo and behold, my underwear had fallen victim to penis puddle."
"Crap, penis puddle. I gotta change underwears before it dries and I gotta peel the damn thing off"
a high-powered fighting robot evolved from a combination of insect/reptile life and strange metal called 'zoid lignite/magnite'. they come from planet zi and have been bred/evolved into machines that humans can ride in/pilot.