How to pronounce chubby:
Example: "A chubby child"
A chubby, plump person
An overweight or obese gay man.
A penile erection, especially when short and with a large circumference; a boner.
Of a person: slightly overweight, somewhat fat, and hence plump, rounded, and soft.
Example: "Obviously the chubby child was eating too much."
Of a body part: containing a moderate amount of fat.
Example: "It’s quite normal for babies to have chubby cheeks."