Jag
A state of intoxication or drug use. Getting drunk.
The amount of alcohol or drugs that a person can consume.
Examples:
Lets get that jag on!
Ho we was all Jag last night!

Meaning from the English-Bulgarian dictionary:
Jag [dʒæg]
informal. Increased activity / emotionality, excitement.
A sharp projection, a jagged edge (also on rock).
A torn place.
To notch, to make jagged.
To scrape.
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