(adv.) In haste; foothot.

amain apace at once bound by forced marches canter cursorily expeditiously feverishly fox-trot furiously gallop get get cracking git hand over fist hastily helter-skelter hightail hop hop along hop to it hump hump it hurriedly hurry-scurry immediately in passing instantly leap lope make tracks on the run pell-mell promptly quickly run shag ass shake it up slapdash snap to it speedily spring sprint step step along step lively step on it superficially swiftly tear ass trip trot with a rush with all haste with dispatch with haste