Stocky

[Justin Bieber]

Short and thick; thick rather than tall or corpulent.

[Becky]

Broad and sturdily built.

[Little_Girl]

Solidly built, broad-shouldered in [proportion] to [height]; may [imply] well-padded as well.

[Vania]

Confusing adjective because there are [multiple definitions] in different dictionaries...

Big man with [broad shoulders].
[Short round] man.

[Marquetta]

[Solid] [body], [strong], short, full

[PussyCat]

A stocky person, especially a man, is fairly short and has a body that is wide across the shoulders and chest: