Beautiful Hand Key & Heart Couple Tattoo. Girls often opt for tattoos that are small and lovely simply because they look feminine and are very delicate. In comparison with the big and robust men’s tattoos, small tattoos for girls are less aggressive. However, there are a lot of women who think big full sleeve tattoo designs for girls look cool and charming. Tattoos are not only attractive but every tattoo is symbolic and has some deeper meaning. Let’s look at some popular tattoo ideas for girls and what they signify.