When a man's (or woman's) torso is so muscular that his/her pectorals look like they have "abs" in them, primarily spanning from the inner edge of each pec to some or all of the sternum. Particularly unappealing on a woman.
"The anabolic steroids have caused his testicles to shrink, but at least he got some pecdominals out of it."
by jw78 January 18, 2009
5 Words related to pecdominals

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