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Spark plug

When you insert a rod of tinfoil in your urethra, and proceed to insert your erect penis in a microwave.

Dude, after I lost that bet with Cassie she made me do a spark plug. I accidently set an African orphanage on fire.

by sdascoli October 12, 2017


Mechanicsburg Spark Plug

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.

by J.J. Jingleheimerschmidt February 26, 2009


Spark Plug Blowjob

The repayment your partner gives you for properly tuning up their car.

"I still owe you that spark plug blowjob"

by tictactoe81 March 08, 2012


Spark Plug

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

by Figure896 September 29, 2019


spark plug

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.

by oneeyelefty May 18, 2015


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

by shitb0x October 21, 2019


Spark plug

The action of lighting a sparkler and sticking it in your anus as if it is a dildo.

I spark plugged myself last night

by Diggleton Faddlebuck January 08, 2025