2 definitions by frankiexMB20xMCR

Short for Matchbox 20 or Matchbox Twenty - one of the greatest bands ever.
"Hey have you heard Matchbox Twenty's new album?"
"Yeah, I've already got a copy, MB20 is my favourite band ever."
"I know, they're awesome."
by frankiexMB20xMCR August 23, 2008
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Abbreviation for 30 Seconds To Mars or Thirty Seconds To Mars.
An awesome band, fronted by actor Jared Leto on vocals and bass, with his brother Shannon on drums and Tomo Milcevic on guitar.
"Have you seen the video for A Beautiful Lie?"
"Yeah, 30STM always make awesome video clips."
by frankiexMB20xMCR August 23, 2008
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