PBO 

Stands for: Penis Break Out.

Defined as when a dude has a boner

Wow, did you just see Rick? He had a PBO when you were talking to him!

PBO by lowielawlperson January 16, 2011

PBO 

President Barack Obama

PBO is the 44th President of the United States.

PBO by d_st_r January 23, 2009

PBO 

Pussy body odor. The lingering smell of pussy on your face after going down on a woman, deliberately left there as a lingering reminder of the encounter.

I was on the metro last night and the guy next to me reeked of PBO.

PBO by Kev1057 February 5, 2021

pbo 

short text or respond for "Playing Black Ops when you cant text the whole thing out when your in the middle or a match or zombie game.

person1- "yo that one trick keep textin you"
person2- "tell that bitch im in the middle of a game of Team death match"
person1- "nah man thats too much to text"
person2- "just put PBO"
person1- "what the fuck that mean?"
person2- "Playing Black Ops"

pbo by moosebeesmokin420 September 18, 2011

PBO 

Probly be ok

Pilot: "what about the hydraulics?"
Mechanic: "It's PBO"

PBO by Kurt May 14, 2004

PBO 

Prime Bagging Opportunity (or PBY, Y being years)

when a guy is say 32 years old he would be in his Prime Bagging Years or have a Prime Bagging Opportunity to bang women from the legal limit to say 50 years old. Any older and they chicks do not fit into the PBO / PBY model.

PBO by areyoukiddingme August 21, 2009

PBO 

PBO is “Pretty Bitches Only” a group of 5 to 6 girls friends that go out clubbing/partying .

girl: omg you see the group of PBO in the v.i.p section .. i would kill to be in their friend group

PBO by bluhi March 6, 2020