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- an act or instance of filling up, as a tank with fuel.
Origin of fill-up
First recorded in 1850–55; noun use of verb phrase fill up
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for fill-up
I tell you there was some tall cursing done, and some flying around in the editorial 'fill-up' drawers.
And this would give the burros a good rest and a fill-up before their climb.