When a guy and a girl are going out and the girl just hangs all over the guy. The guy doesn't care. The girl is useless and hangs there much like a keychain to a backpack.
girl: (hugs boy)
boy: meh

observing girls: god, that girl is such a keychain
by TangoMaureen December 10, 2005
Get the keychain mug.
The visible print made by a man's penis on the front of the pants. The phallic formation seen through a man's trousers, shorts, or jeans. See also DICK PRINT

Plural: keychains
We were too distracted by the keychain at the amusement park to really enjoy the roller coaster.
by q.wsmith March 31, 2010
Get the keychain mug.
In the act of threesome with two males and one female. A keychain happens when one male drives his penis in the females vagina, as the other male drives his penis in the females anus all at the same time. In which creates an effect of a keychain.
"Dude we keychained this bitch last night!"
by AccurateDefinitions4578 January 13, 2015
Get the Keychain mug.
A prank in which somebody heats up another person's keys in an oven, then gives their unsuspecting victim the hot keys, causing surprise and a temporary painful sensation.
My keys! My keys are red-hot! Sammy, you rat! You weren't using the oven to bake salads! You were heating up my keys to give me the ol' Spicy Keychain!
by attractivecryingman December 16, 2011
Get the Spicy Keychain mug.
A friend or acquaintance who is so cute, fun, witty and charming, that you want them to go everywhere with you.
"Chrissy you are my new keychain friend - I wish I could shrink you down and keep you in my pocket so you could go everywhere with me."

You might also use the term keychain before their name, such as "Keychain Chrissy"
by METRObliss August 16, 2009
Get the Keychain Friend mug.
The gay version of a “pick me girl,” this type of gay will often turn his back on his own community to appease conservatives or for money. They will often put down gays of color, use racist language, and usually are transphobic. They betray their own community to fit in into typically gay unfriendly environments such as conservatives and MAGA country.
That Jefree Star is a hetero’s little keychain, they call themself a they but says non-binary people don’t exist.
by Bflee000004 February 17, 2023
Get the Hetero’s Little Keychain mug.
The act of piercing the ring of someone's asshole and putting a key chain through the hole.
Bro, Jared had to get a rusty keychain because we bet him the Astros would lose, he screamed like a little girl!
by Jukke July 9, 2014
Get the rusty keychain mug.