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2.
A term used to describe those who major in petroleum engineering. They have the brain power of every NASA rocket scientist combined plus the ability to attract women like a Hollywood celebrity. They spend the days solving the problems of the world and the nights having parties that are legendary. In their spare time, they partake in horizontal drilling activities with those of the opposite sex and never disappoint since they have the ability to lay pipe day and night with there large erect derricks. When drilling, they never find a dry hole because they are able to hit every pay zone no matter how impossible the task may be. The stories of these great individuals are known by many, but experienced by few.
There are no such things as lesbians, just women who haven't been with petrosexuals.
by Do Work Son April 07, 2008
 
1.
A term used to describe a person who is obsessed with cars.
A person who spends every spare time with their car. E.g. John washes his car every day. John may be petrosexual
by bp_me November 03, 2005
 
3.
A term used to describe those who major in petroleum engineering. They have the brain power of every NASA rocket scientist combined plus the ability to attract women like a Hollywood celebrity. They spend the days solving the problems of the world and the nights having parties that are legendary. In their spare time, they partake in horizontal drilling activities with those of the opposite sex and never disappoint since they have the ability to lay pipe day and night with their large erect derricks. When drilling, they never find a dry hole because they are able to hit every pay zone no matter how impossible the task may be. The stories of these great individuals are known by many, but experienced by few.
There are no such things as lesbians, just women who haven't been with petrosexuals.
by Do Work Son April 08, 2008
 
4.
adj. Being in love with cars more than people.
"Did Rob get back together with his girlfriend?"

"No. He's been 'petro-sexual' since he bought his '68 Camaro."
by They call me muthafucka August 22, 2011
 
5.
(Noun) One of many greasy, tight pants wearing, faux-hawk hair cement styling, oversize sunglasses flossing, fitted shirt rocking, diamond studded belt-buckle shining, excessive pungent cologne using, club hopping, sausage party attending, non-dancing & wall hugging men/boys of Arab or Middle Eastern descent.
"Did you just buy a Jacob & Co. watch to wear to class? That's so Petro-sexual!"
by Omar Offendum March 24, 2008
 
6.
A person who loves to dress up his/her dog in clothes. The race of the dogs are often small ones such as Chihuahuas and Pomeranians. Made famous by celebrities such as Paris Hilton, Nicole Richie, Hayden Panettiere, and Lindsay Lohan.
Have you seen how Paris dressed up her dog Tinkerbell?

Yes she is really petrosexual.
by Asjula November 18, 2010
 
7.
A single person or married couple without children for whom their pets are their sole devotion.
John's co-worker Jane (who has three children) does not understand his petrosexual nature. She wonders what kind of person would treat their pets as though they were children. John provides his dogs with every opportunity a child should have such as a king size bed in a warm home, nutritious meals, all the best toys and education one can buy.
by slippery chick November 08, 2008