move one's ass
Definition of move one's ass
chiefly US, informal
—used as an impolite way to say someone needs to hurry up We don't have much time so you'd better move your ass! They need to move their asses if they want to get there on time.
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Word by Word Definitions
: to go or pass to another place or in a certain direction with a continuous motion
: to proceed toward a certain state or condition
: to become transferred during play
: the act of moving a piece (as in chess)
: the turn of a player to move
: a step taken especially to gain an objective : maneuver
: any of several hardy gregarious (see gregarious 1a) African or Asian perissodactyl mammals (genus Equus) smaller than the horse and having long ears
: an African mammal (E. asinus) that is the ancestor of the donkey
: a stupid, obstinate, or perverse person
: buttocks
: anus
: used as a postpositive intensive especially with words of derogatory implication
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