where the calf and the ankle looks like an over risen homeade loaf of bread stuffed into a shoe.

Noun. A sight common among the morbidly obese. The point at which one is so obese that there is no thinning of the leg between the calf and the ankle, which creates a sense of fusion between the two. Consequently "Cankle" comes from the fusion of CAlf and aNKLE.

The absence of a defined ankle on a person - whereby the calf of the leg merges directly into the foot. The calf appears to replace the ankle - hence the term "cankle".

An ankle of a fat person in which the the ankle and the calf appear seamless.

noun; the meeting of the calf and the foot where an ankle is not present due to lack of ankle definition.

A grossly malformed, disproportionate, and tree stump-like ankle that seamlessly merges into the calf, so that there is no singular "ankle" or "calf".

Where the calf and ankle merge to become one large stalk and takes on a tree-trunkish appearance

When the calves and ankles of a person's feet merge into a straight line with no distinction of which is which.
Fat people usually have cankles, but it can also occur with anyone.
(This is not to be confused with someone having thick ankles. If someone has thick ankles they still have a curve in their leg, but with cankles, the front view of their foot is completely straight.)