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Acronym for the expression: Rolling on the treadmill.

Similar in function and usage as ROFL, but with special reference to a degree of ridiculousness, i.e. falling onto a running treadmill track.

Involves amusement derived from the misfortune of others.
Kathleen: Have you seen ?
Heidi: OMG
Heidi: ROTM!!
by Aphroheidi November 27, 2008
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