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9.
another term for a cock blocker, usually a portly to rotund female who accompanies a beautiful vixen and who has taken it upon herself to protect her gorgeous friend's virtue by inserting herself between her friend and anybody she deems interested in said friend, (ergo, a threat) and driving them away by any means necessary. The term can also however, refer to any male who is deliberately sabotaging another male's attempts to horizontal boot-knock with a member of the opposite sex, for whatever sick, twisted reason. These icons of shame and self disgust, are almost always looked down upon with hatred and contempt.
Yo Dufus! Whatchew doing ruining my play with that fine mofo in the pink short shorts? You some kinda pecker checker, or what?
by 1 Beat off September 27, 2010
 
1.
Prison slang for a guy who looks at other guy's dicks while they are in the shower.

AKA Shower Shark or Peter Gazer
Gary didn't like to go into the shower with the other guys because there were too many pecker checkers in jail.
by OneBadAsp October 22, 2006
 
2.
A US Navy Hospital Corpsman who is assigned to the STD clinic, to conduct a short arm inspection or otherwise inspect scores of human genitalia for signs of sexually transmited disease.
Corpsman: Dude, they just made me the new pecker checker at Balboa.
Shipmate: It's easy, just tell 'em to drop their skivvies, pretend to look interested, and tell 'em not to wave that thing so close to your cigar.
by Mister Priapus June 01, 2005
 
3.
A U.S. Army medic or hospital personnel assigned to inspect soldierss' genitals for signs of sexually transmitted diseases, a process otherwise known as a short arm inspection.
After the actor Robert Mitchum was drafted into the Army in 1945, he spent his year in the service as a pecker checker at a Tarzana induction center.
by Tummy AuGratin February 24, 2006
 
4.
A loose slang term for Navy Corpsman (medic) who takes care of the medical needs of Marines and Sailors, known for handing out the silver bullet (a magical cure all shot in given in the buttocks). Given this name because he or she is the first person a military member goes to when there is something wrong with the genital area of the body.
You're joining the Navy to be a peckerchecker?
by Sean from Doc in the Box September 20, 2007
 
5.
A man, regardless of sexual orientation, who has a habit of glancing (or checking out) at other men's penises.
John makes me feel uncomfortable. Have you noticed how he looks at everyone's dick? I think he's a pecker checker.
by Jack Shepard June 10, 2006
 
6.
To grab a man's crotch in order to check for male genitals.
That dude was talking like a female so I had to pull a pecker checker.
by Mitch October 28, 2003
 
7.
A sort-of synonym for size queen, this is a chick who checks out dudes' packages like men check out tits. She's not always very subtle, either, and there are more of them than you think. She will befriend a male of average to less-than-average penis size, but she only dates/fucks well endowed men.
The girl I just talked to at school glanced more than once at my crotch- I think she's a pecker checker.
by SHOGGOTH_KING January 20, 2013