coming down from a "high" on drugs. usually where the really good feelings start fading away, and you get tired.

The effect you get when a stimulative substance (Drugs, alcohol, caffeine) wears off. When crashing, you'll suddenly feel very tired and/or sad.

1.to sleep
2. to stay at someone elses house for the night

'Crash', deriving from the term used in the popular DC Comics cartoon "Young Justice" by the character Bart Allen or "Impulse".

Meaning: Cool or a positive feeling towards something.

to show up somewhere uninvited or unexpectedly.

to have messed up very badly.

Hangover or other ill physical and psychological after effects as a result of a drug leaving your system and your body craving more. Specifically , this term refers to amphetamines, though it's often used to refer to other drugs as well.