Handy Fish
The same thing as a catfish, although this person will give you a handjob or handy even though they aren't who they say they are.
"Hey man, did that chick turn out to be a catfish?"
"At first yeah, but she turned out to be a handy fish so at least I got a handjob out of it."
"At first yeah, but she turned out to be a handy fish so at least I got a handjob out of it."