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When there's a big crowd and you grab someone in front of you and push them through to get to where you have to be.
How are we gonna get to the stage?
Grab someone we're fullbacking.
by salsa69 September 19, 2009
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driving one's car close behind another's with the hope that he will change lanes, thus clearing the road for those behind you
We were fullbacking the whole way to school for some silver Ford.
by PooperScooper12345987 March 14, 2012
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