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1.
The extra, pinchable skin on your elbow. Looks like a scrotum, located on your elbow - the scrobow.

synonym: weenis
Portia likes to fondle her scrobow.
by SSSSSSSrr March 23, 2008
 
2.
Rough wrinkly elbows that look like a scrotum.
I was kind of into her until I noticed she had scrobows!
by J.Andrews February 26, 2012