She was wearing shorts, too, and a Hair of the Dog T-shirt. 这个 a Hair of the Dog T-shirt 什么意思

She was wearing shorts, too, and a Hair of the Dog T-shirt. 这个 a Hair of the Dog T-shirt 什么意思
是指印着狗狗图案的印花T恤吗?用狗毛有点那个吧.
谢谢!
大概是件T恤，上面印着“Hair of the Dog ”，是吗？