Someone left the cake out in the rain. 

Used to refer to an eccentric person or idea. A reference to the song "MacArthur Park," one of oddest songs ever written.

John: My next door neighbor thinks little green men control the government through mind control.

Paul: Someone left the cake out in the rain.

Someone left the cake out in the rain. by devil doll October 20, 2009

pimple on the left 

An insulted used by alpha males to describe snowflakes who vote for Biden

You’re just like a pimple on the left. Somebody says something and you don’t like.

pimple on the left by Bat Maul July 27, 2021

nigga left 

When you make a left turn from the right lane.

Jerome almost missed the KFC and had to make a nigga left.

nigga left by Tyrone Bon qui qui August 3, 2017

Got left 

Has been murdered / killed.

Derived from when a killer leaves his murder victim on the scene of the crime.

Used mostly in past tense, unless when the the deceased person speaking of is being left by his or her murderer at that specific time.

"Yo dawg, word on the street is dude who clipped Big L was freshout from doing time up north and got left on 139 & Lenox last night."

Got left by StrictlyRealHiphop January 17, 2018

Phone in left Hand 

You see something so attractive you must move your phone to your left hand so you can use your mand hand to masturbate.

Often used as a funny joke when someone does something cringeworthy or is being despised by others, for example in a comments section of a video.

Ugh my mom keeps posting embarrassing stuff to the Internet..

Friend: Phone in left hand moment.

Phone in left Hand by Smethwick The 3rd of Assland April 10, 2021

Detroit left turn

A driving maneuver in which a vehicle in a left turn lane immediately turns left once the traffic signal turns green, regardless of whether it is a delayed green.

Passenger- "Look at all those oncoming cars that we'll have to wait for."
Driver- "I say we pull a Detroit left turn once the light turns green."

Detroit left turn by Franklin Marshall July 19, 2010

san francisco left 

While driving, the act of passing the street you wish to turn left on, followed by 3 rights.

To make a San Francisco left on 19th Ave at Geary, make a right on 20th, a right on Clement, and then a right on 19th.

san francisco left by George Burnett March 22, 2007