It's just your elbow, but it sounds funny. Go up to someone and tell them to rub your wenis.

The bumpy skin on your elbows.

The skin on the end of your elbow.

Touching Wenises together is akin to a high five.

The stretchy skin on the elbow, insensitive to pain.

the thing on your elbow

your crusty elbow skin

No not he part of your elbow, a wenis is slang for a woman penis and is used for when one gender is acting like the opposite, e.g. a girl acting like a boy or a guy acting girlie