An alternate definition to this common term is the chest of a well built man; the well defined and sculpted pectorals of a man, typically achieved with intensive work out.
"Did you check out those moobs? I bet he works out at leasttwo hours a day!"
The combination of man and boobs. Usually very overweight men have tities but in rare cases skinny people have moobs too. Recamandations are a bro/the man bra.
The fat asshole Kieth has moobs that jiggle all over the place.