Let's say he's incredibly attractive (face and body), and has this massive constant tattoo that FULLY covers his upper body; you would never know he had a single tattoo if he had a long sleeve shirt on, or even if he just rolled those sleeves up to his elbows.
But with his shirt off, he resembles Mystique from X-Men
Most Helpful Girl
Sure, why not. As long as the tattoos aren't horrible/offensive/douchebag-y.0