variation of the shocker where you put the index finger in the vagina and 3 fingers in her anus while stimulating the woman's clitoris with your thumb.
Damn that girl left shit on my knuckles after I gave her "the stainer".
by J. Jonah Jameson June 1, 2009
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To accidentally destroy any electronic devices just by making a physical contact with it.
Don't touch my new computer! You're gonna stainer it.
by Public Masturbater June 6, 2010
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An inept internet troll. Someone who is incompetently and over-confident in trolling.
Yeah, he said he was an elite troll, but he's just a stainer.
by Cfame March 31, 2013
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This is when you finish masterbating or oral sex and the cum get all over ur bed sheets and clothes.
Dude! we accidently did a stainer all over my carpet!
by SICK BILLY December 26, 2005
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Derived from a person who sucks. They are just a stain on the map. A person who ruins a good time, is unwanted or sits on the the bridge with the rats.

can be used in various forms: Staining; that stain; those stainz; stainzilla
1-Look at that stainer over there
2- Naa he's with Jim too....
1- oh yea.. those stainz
by gunzoid November 28, 2006
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People who would have been better off left as a stain in their parents underwear. Usually pertaining to inbred hicks, rednecks and low-income housing dwellers with the mental capacity of a worm or other invertebrates, etc...
i)"wtf is that stainer doing driving a tractor down the highway at rush hour?"

ii)"Look at the group of stainers drinking beer on their lawn, sitting on living room furniture"

iii)whore-"Hey cutie, care for a face mask"

mother-"Stay clear of the stainers Billy, not until you're 12"
by Word Burglar July 12, 2009
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A ink that kills panels or anything else it touches. takes a little to dry. goes well with a L marker. Holla at kiloe if you need some.
Yo, that fool rocks some bomb ass stainer.
by serch March 9, 2006
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