1. like hell, like mad, like crazy, like sin, like thunder, like the devil
usage: with great speed or effort or intensity; "drove like crazy"; "worked like hell to get the job done"; "ran like sin for the storm cellar"; "work like thunder"; "fought like the devil"
2. like hell
usage: used ironically to indicate the opposite of what is stated; "says he'll help me? Like hell he will!"