Wifebeater

[Tina]

A white sleaveles t-shirt also referred to as a muscle shirt or singlet.

[Little_Girl]

A mens sleeveless undershirt.
I think the TV show COPS had a lot do with the creation of this word. Every time they showed a guy getting arrested for beating his wife he was wearing one of those sleeveless undershirts.

[Tanya Shivari]

An A formed white, tight, T-Shirt normally produced for men but also worn by women, intended for wear under shirts. Its reputation comes from those wearing the shirts while engaged in domestic violence.

[Vania]

a type of T-shirt or vest with no sleeves, usually white and usually worn by men

[Raeanne Dimick]

A man who regularly or habitually hits his wife or female partner.