A mixture of half Bacardi anejo rum and half original green monster
That rumster was amazing
by The Bacardi Bat March 05, 2015
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A recycling dumpster.
Mix between a dumpster and a recycling bin.(A big recycling bin that looks like a dumpster.)
"Are you gonna recycle those bottles? And take them to the rumster."
by jhfyuvjh February 03, 2008
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One who's facial features resemble that of the most successful Grand National horse of all time, Red Rum.

An Ugly fucker.

Someone with a long face and big nashers.
Is Rumster coming tonight or is he running in the 1.30 at Chepstow tomorrow?
by YoricHunt December 05, 2007
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