psb 

Poisonous Sperm Build-up.
This is the male version of PMS. Characterized by moody outbursts and a generally disagreeable disposition. Caused when a male allows other life issues to get in the way of not properly taking care of his sexual needs.

Dick is being such an a#*hole tonight. Must be the PSB - that time of the month.

psb by mark77nyc March 11, 2008

psb 

Porn star boobs

Damn! She's got some psbs on her.
His mom's still got some psb!

psb by EricKay March 17, 2010

PSB 

Pot Smoking Bitch.

Can also be referred to Pretty Slutty Bitch.

Wow Andy's in love with PSB.

PSB by Jay Wizzle March 19, 2008

PSB 

Painful Sperm Build-up, resulting from lack of sexual intercourse or failing to ejaculate during intercourse.

1)

Dude 1: Man my balls hurt, I got PSB.
Dude 2: Why bro ?
Dude 1: Man, I ain't been laid in a month.
2)
Dude 1: I was with this girl last night and now I got PSB.

Dude 2: What, you didn't get off?

Dude 1: Naw man, it's bad

PSB by mgate01 May 17, 2016

psb 

professional soccer bitch

Zach

psb by Gisriel October 15, 2003

psb 

perfect summer body

damn girl look at that psb!

psb by justfuckedyourdad May 21, 2015

PSB 

Pyscho Study Bitch.

Everyone has that one person in their class who does anything they can to get an A. Also they raise their hand every 5 seconds and say some random shit.

Person: "Why do you hate Livia*"
Person 2: "She's a PSB dude."

*Random example name

PSB by Lukeypukey1234 June 12, 2018