The term 'It's Over a Foot' is composed of three words that are solutions to a crossword puzzle. The first word is 'ANKLE' which is five letters long. This word refers to the joint between the foot and the leg. The second word is 'SHIN' which is four letters long. This word refers to the front part of the lower leg. The third word is 'SOCK' which is also four letters long. This word refers to a type of clothing item that covers the foot and lower leg. Together, these three words form the phrase 'It's Over a Foot' which is a humorous way of saying that something is very tall.