drag one's ass
Also, drag ass or drag it or drag tail. Leave, depart, as in I'm dragging my ass out of this place, or It's really late, let's drag ass! [Vulgar slang; 1920s]
Also, drag one's tail. Move or act with deliberate slowness, as in Hurry up, stop dragging your tail. [Vulgar slang; c. 1930] For a more polite synonym, see drag one's feet.