(v.) To jog or run in an unathletic way.
To move in an unfashionable, overweight manner.

one of Calvin's own words, from Calvin and Hobbes

The lower belly area of a chonky cat. It's often seen hanging down low, swaying seductively as they walk, and almost impossible to resist touching.

A chunky food dish prepared with left-over ingredients, without regard to origin, freshness, taste compatability or starch content. (ie. a pasta dish made with potatoes and bread.) Often very spicy to begin with, partakers may elect to add even more spice in the form of chile sauces and garnishes. Tabasco sauce is a common additive. jumble crumble chunky fritatta casserole stew

Noun: Throw up (chumble)

Verb: To throw up (chumbled)
Adjective: To describe something chumbley

(n) One who is chumbly.

to grumble in the presence of the RSM rugby team