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the line of bruised needle holes in the arm of a junky produced as he shoots up at a slightly higher point on his arm each time.
she never wears short sleeves because she doesn't want anyone to see her track marks
by minghi April 26, 2003
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Aug 5 Word of the Day
When your so pissed off from losing multiple amount of games that you play worse and worse till your so pissed you begin leaning over your keyboard screaming over every little mistake you make and complaining about gaming imbalances

(Common in Starcraft II)
"Why is johnny screaming at his computer"

"He lost a few games of Starcraft II, I think he is Tilting"
by Lashley1337 February 14, 2012
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can often mean the scars from shooting up. can also mean scars from cutting yourself.
-She always wears long sleeves to cover her track marks.
-She shoots up?
-Naw man, she cuts herself.
-Oh, less cool man.
by ohaithar111 January 16, 2011
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Strips of brownish discoloration that can often be found in the undergarments being worn by someone with a 'less-than-tidy' anus.
Damn it all. I just bought these briefs last week and they are already trashed with track marks.
by Ocram April 28, 2003
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