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1.
Bring your own pop
Man the other day in calculus our teacher said byop for our Saturday study session
by swiss beets May 02, 2010
 
2.
BYOP- Bring Your Own Paint
In paintball, the act of a paintball field allowing it's paintballers to bring their own paintballs instead of having to buy the field's paintballs.
Guy: Dude, do we have to buy the field's paint?
Guy2: No, it's byop!
by I am da king August 03, 2009
 
3.
1. "Bring Your Own Pussy" In the event of a sausege fest, dudes must bring their own bitches if they want to be up ins a lady.
Hey man, this is going to be a sausage fest. This shit is gonna be BYOP. Sorry mang.
by Jimney "Zip" Axlerod April 01, 2008
 
4.
Acronym for bring your own porn.
Shit. We can't watch porn in the hotel.

B.Y.O.P. That means a laptop.
by dizzell May 15, 2009
 
5.
BYOP

"Bring your own pen"

An acronym used in Geocaching, indicating that part of the cache in subject involves a paper log to sign. At times, this cache may contain only the log - bring something to write with if you hope to prove to others you found it, and don't be disappointed.
Mark: Going geocaching? Don't forget to BYOP. Remember last time.
Caitlin: Right. If I only brought a pen with me, I could have been the last person to sign that cache. Darn it...
by Cake the Geocacher June 01, 2011
 
6.
Bring Your Own Pussy; relating to social events in which there will be a minimal number of females in attendance.
Dude, is that party at Greg's like a legit party or B.Y.O.P.?
by The Franchise aka Real MVP July 10, 2008
 
7.
Bring your own phone
If you want to play games in the waiting room B.Y.O.P next time.
by StraightPhone November 11, 2013