Top Definition
a person's 21rst birthday. It is a day where you can legally drink alchol.
On my big 21 I became so exicted that I got alchol poisning and died.
by Neagonant April 15, 2006
4 Words related to big 21

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.