like crazy


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like crazy

 and like mad
Fig. furiously; very much, fast, many, or actively. People are coming in here like crazy. There isn't enough room for them all. We sold ice cream like crazy. It was a very hot day.
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like crazy

1. a lot like mad She itched like crazy.
2. very quickly like mad The cucumbers here grow like crazy.
See also: crazy, like

like crazy

  (informal)
if you do something like crazy, you do it a lot or very quickly We'll have to work like crazy to finish the decorating by the weekend.
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like crazy

Also, like mad; like nobody's business. With exceeding enthusiasm or speed, without restraint. For example, We shopped like crazy and bought all our furniture in one day, or Once he's out of the town limits he drives like mad, or The choir sang the Hallelujah Chorus like nobody's business. The first terms employ crazy and mad in the sense of "lunatic" as a hyperbole for lack of restraint; the third implies that no business could be conducted in such an extraordinary fashion. The first and third date from the 1920s, the second from the mid-1600s.
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like crazy

and like mad
mod. furiously; very much, fast, many, or actively. Look at those people on the bank. They’re catching fish like mad! I’m running like mad and still can’t catch up.
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like crazy

Informal
To an exceeding degree: They were running around like crazy.
See also: crazy, like