Top Definition
An acronym for Too Much Spare Time. This is the alias of Andrew Kepple, the fanimutation artist who created the famous "Colin Mochrie v.s. Jesus H. Christ" trilogy. A good friend of Niel Cicierega, the founding father of animutation and fanimutation, Andrew is considered by some to be a superior artist to Niel.
Tmst is a flash encyclopedia, eating, breathing Macromedia.
by Taylor Esformes March 29, 2004

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