Bee's knees is British slang for 'fabulous!'. For example: 'Cor ol'chap, that meal was the bee's knees!'
On Your Feet or on Your Knees was created in 1975-02.
Biscuits and cheese
The bee's knees.
a mode of transport with two wheels and no engine.
Slang for car
a ride, a whip, wheels
This is not the most common slang, but it refers to a large party (commonly outdoors with dancing: hence "knees up")
In anatomical position, the feet are distal (farther from the center of the body) to the knees.
Ride, Wheels, Whip, Buggy- i retract my answer as these words themselves are not "slang", unlike what chevy derived from . also car is slang for carriage.
Plates of meat is rhyming slang for feet.
It's believed to have started with rhyming slang - "dog's meat" meaning feet.