Keyswinger 

A keyswinger is an individual who carries their keys on a lanyard, and swings them in a circular motion while walking. Keyswingers are typically males between the ages of 18 and 26. Keyswingers are often found in packs on college campuses as well as at workout facilities around the world. Keyswingers are often easily identifiable even when they are not swinging said keys. They can be distinguished by one or more of the following, fraternity t-shirt or nipple tank, one or more tribal tattoos, straight brimmed hat being worn backwards with or without sunglasses resting on the brim of said hat, or sunglasses hanging from the neck of said fraternity t-shirt or nipple tank.

The only exception to this is when an individual is a senior in high school.

Friend 1: Dude, that fuckin' Keyswinger nearly hit me with his keys.
Friend 2: I know! They shouldn't be allowed out of their frat houses.

Keyswinger by tlskxchris October 17, 2009

Kensinger 

To brutally beat the life out of an individual until they get a massive concussion and get sent to the hospital after they cheap shot you in a fight.

I once got really mad at this kid and ended up Kensingering him.

Kensinger by Joe Smellerton October 15, 2011

Key -Swinger

A Type of turn made by a driver that happens to be driving too fast. The turn causes the keys to sway and "swing"

Wow dog, that turn was a real Key -Swinger yo

Key -Swinger by DylanFan88 July 23, 2008