A facial muscle of the mouth, associated with frowning.

A facial muscle of the mouth.

plural of muscle-up

(transitive, intransitive) To train the muscles for increased size and strength. / (intransitive) To force one's way into or through.

Alternative form of muscled up

An exercise done for strengthening the arms and upper body, in which one lifts one's own weight while hanging from a bar to a position above the bar.

Having large, well-developed muscles.

simple past tense and past participle of muscle up

plural of music video

Agaricus bisporus, the white or common mushroom.