They're called TATTOO sleeves. Look.
The Big Bang Theory Season 3, Episode 3
That's a neat TATTOO.
The Big Bang Theory Season 8, Episode 8
What kind of TATTOO artist
has no TATTOOs?
Breaking Bad Season 2, Episode 7
The guy I was with
did my last TATTOO,
The Big Bang Theory Season 7, Episode 23
He had a fish TATTOO on his face.
Game of Thrones Season 2, Episode 8