plural of muscle-up

Third-person singular simple present indicative form 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

(idiomatic) An aggressive attitude resulting from consumption of an alcoholic beverage. / (idiomatic, humorous) A protruding stomach, supposedly indicative of excessive consumption of beer.

plural of muscle shirt

(anatomy) A long thick superficial muscles on each side of the anterior neck which arises by one head from the first segment of the sternum and by a second from the inner part of the clavicle, that inserts into the mastoid process of the temporal bone and that acts especially to bend, flex, rotate and extend the head.