Another term for a tampon. Also may be refered to as a "plug."
"Honey, I gotta go buy some spark plugs...."
(Before sex...)"Honey, let me take out my plug first! "
Lesser known sexual activity between two women consisting of the connection of the positive and negative terminals of a car battery to the women's respective clitoral piercings, followed by a vigorous scissoring session and resulting in an electrifying, spark-filled experience for both parties.
Lacey and June lit up the room last night, as their Die Hard-enhanced metallic muffs engaged in a Mechanicsburg Spark Plug.
The repayment your partner gives you for properly tuning up their car.
"I still owe you that spark plug blowjob"
A spark plug is an electrical jumpstart to a rad brromance on an electric night.
Jim and Matthias were foolin' whereabouts a spark plug made something akin to a big bang I reckon
A small amount of drugs (any drugs) that is passed in small paper bags out of fake mechanic shops.
I need to go to H&H Auto for a spark plug.
A motörhead’s buttplug. sometimes gay people where them on a necklace
james was feeling lonely so he took his spark plug off his necklace and shoved up his ass
The action of lighting a sparkler and sticking it in your anus as if it is a dildo.
I spark plugged myself last night