Definition

A portmanteau of 'man' and 'boobs' referring to excess chest fat on a male that resembles breast tissue, usually caused by weight gain or hormonal imbalance. The unfortunate result of neglecting the gym and embracing too many donuts.

Example Usage

He used to be fit, but now he's got serious moobs from all those late-night beer sessions.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=moobs&defid=7122)