Meaning : (informal) with great speed or effort or intensity. Used for emphasis.
Example :
Drove like crazy.
Worked like hell to get the job done.
This sprain hurts like hell.
Ran like sin for the storm cellar.
Work like thunder.
Fought like the devil.
Synonyms : like crazy, like hell, like sin, like the devil, like thunder
Like mad meaning in Bengali (Bangla).