Sudden or unexpected.
That falls headlong, or causes a headlong fall.
Rash or impulsive.
That causes precipitation.
A substance that forms a precipitate when added to a solution.
Done or constructed in a hasty, approximate, temporarily adequate manner, but not exact, fully formed, or reliable for a long period of time.
A quick, temporary fix, estimate, or the like.
An inexpensive, inelegant eatery; a greasy spoon.