Bring your own blunt.

"Hey man, what's going on tonight?"
"Be at my place by 10pm. BYOB"
"BYOB? What's that mean?"
"There's a party motherfucker, bring your own blunt. God damn"
by Jay - P May 07, 2007
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B.Y.O.B is an abbreviation of bring your own booze. Usually used by the hosts of house parties, telling their guests that alcohol will not be provided.
At Janine's house party last week, she texted everyone saying 'be here for 7pm and B.Y.O.B'
by The omniscient one. April 20, 2013
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1. Abbreviation for "Bring Your Own Beer"

2. A song by the heavy metal band System of a Down.
1. Heading out to the party tomorrow, BYOB.

2. BYOB is the greatest System of a Down song of all time.
by SubToDolanDark December 12, 2017
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Bring your own Bondage. Used by hardcore hardcore kids.
"- BYOB tomorrow night? Marcelus' basement.
- Uhmm uhmmm hmm"
by r_geolol October 05, 2015
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Bring your own beer/bottle/booze/beverage

Used when an event or restaurant will not be serving alcohol. Lets patron know that if they'd like to get drunk, they will have to facilitate it themselves.
BBQ at Mike's tomorrow. Will serve plenty of soda but BYOB.
by Jamesch April 06, 2010
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