Charratte is used mostly as a exclamatory word. Besides, often it is used to describe a happening as the best one. It is used as a synonym of "to hang out". Used both in slang Bengali and slang English.
Used in Santiniketan
Srijan: I won the table tennis championship!

Soumyadip: Really? Charratte!

Or,
Suman: What's up bro?
Ritwick: Having charratte!

Or,
Today, we'll charratte after the exam!
by A Bajrapani March 25, 2018
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