1 definition by dcan

1. to stand in the middle of the road while hitchhiking which discourages drivers from stopping.
2. to ignore tremping (hitchhiking) etiquette and jump into a tremp if there is someone else who was waiting before you.
that guy just totally tremp-blocked you. you've been here for an hour and he just got here.
by dcan January 17, 2011
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