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An individual who frequently or unexpectedly neglects his regular companions in the pursuit of sexual gratification.
Derived from the accusation that these individuals seek to "trundle" (push/drive) the opposite sex, rather than partake in regular social activities.
Man X: Do you wish to accompany me and others to our regular meeting place?
Man Y: I cannot right now as i must urgently meet Woman Z
Man X: You sir, are a total and complete bum trundler.
by Bastard Loaf July 27, 2006
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