What is Sparkplug?
1.
When an electrically charged object is shoved up your asshole, causing premature ejaculation and anal leakage.
Wow, Bob squealed like a bitch when he was sparkplugged by Sutter. Oww
2.
An adult beverage carefully mixed from one ounce Jagermeister, and one ounce Sparks Premimum malt beverage, and taken as a shot.
Hey Bro, jagerbombs are for pussies, lets have a sparkplug
See
3.
N.
Def. 1: A part of the automobile
Def. 2: ColonelJ's youngest cat, who is also the feline reincarnation of Hitler, hence his nickname "Kitler".
"Dude, my sparkplugs are shoved up my ass!"
"Sparkplug! Get back here, you little @$$hole..."
4.
A great person that is seen around the internet alot.
Hey! There's goes Sparkplug!