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1.
Entry level position in the engine room of a Merchant Ship of the United States.

Duties include maintaining cleanliness of engine room machinery and gangways, bilge detail, and painting/chipping paint in the engineroom.
Mike served as a Wiper aboard a Shell Oil tanker for a few months before moving up to Oiler.
by DeepSeaSailorGuy May 14, 2007
 
2.
A girl with glasses gives head; the guy busts on each lens; the girl proceeds to wipe the semen off of her glasses in order to see by using her index finger to remove the vision imparing swimmers.
Girls with glasses are great; I love giving them the wipers.
by Scummable Thurgood March 31, 2005
 
3.
When you take a huge, pasty shit and your asshole is caked in your fecal matter resulting in the use of half of the toilet paper roll.
God damn that shit was a wiper. I had to take a shower after that one.
by Dynamo22 April 26, 2009
 
4.
A wiper is often used to describe the penis of a person who enjoys to wipe it across the faces of others.
Jimmy is always in trouble for having his wiper out and wiping Maratha in class.
by KiLlEdByArAyGuN March 26, 2012
 
5.
The person who is responsible for cleaning up the stars of an adult film. Normally this is the male dichotomy of a "fluffer"
---End of First Scene---
Director: "Hey, I need a wiper to clean up Jenna for the next set!"

Wiper: "yes!"
by BooDaddy August 05, 2008
 
6.
A really nasty or wet fart that leads you to believe you may have sharted, or used for comic effect.
*BRRRRRRrip* Oh yeah, that's a wiper!
by Oz in ATL June 23, 2007
 
7.
PG rated word for person who is an asswipe.
Harry Reid's public shit for brains lies make him a real wiper.
by concerned2 October 26, 2007