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string of characters beginning with a period and followed by one to three letters; the optional second part of a PC computer filename extension , file name extension , filename extension
youth subculture closely associated with punk rock music in the late 1970s; in part a reaction to the hippy subculture; dress was optional but intended to shock (plastic garbage bags or old school uniforms) and hair was dyed in bright colors (in Mohican h punks
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