
They're called TATTOO sleeves. Look.
The Big Bang Theory Season 3, Episode 3

I got a Cookie Monster TATTOO.
The Big Bang Theory Season 5, Episode 23

What kind of TATTOO artist
has no TATTOOs?
Breaking Bad Season 2, Episode 7

That's a neat TATTOO.
The Big Bang Theory Season 8, Episode 8

Aah! Okay, that's it. No needle.
No pain. No TATTOO.
The Big Bang Theory Season 3, Episode 3