Side tattoos are those tattoos are done on the side of the ribcage. They can be done in pairs or as an abstract form on any one side. Getting tattoos done on your side provide you with a bigger area to use as a canvas. Side tattoos are also quite painful as this area is quite bony and sensitive. There are a variety of designs that are ideal for ribcage tattoos. Celebrities love endorsing their tattoos on their sides. 9 popular side tattoo ideas are given below.