Definition of mad dash
- In his mad dash to the store, he forgot his wallet.
: arising from, indicative of, or marked by mental disorder
: completely unrestrained by reason and judgment : unable to think in a clear or sensible way
: incapable of being explained or accounted for
: a fit or mood of bad temper
: anger, fury
: to break by striking or knocking
: to knock, hurl, or thrust violently
: splash, spatter
: a sudden burst or splash
: the sound produced by such a burst
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