1 definition by banksisasurething

a late night smoke session, specifically with the intent of going to bed immediately following said session.

to smoke by yourself right before bed, using the session as a sleep aid. (potheads swear by it)

can be a personal session, (by yourself) or a social session (with friends)
"I think imma save half this L for a nightcap."

"Yo, I'm bout to go 2 bed but i got a bowl of that gooood packed up, you should come thru for a nightcap."
by banksisasurething February 4, 2010
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