if you fill someone up, or if they fill up, they eat enough food so that they no longer feel hungry
same as fill
By eight o’clock the restaurant was beginning to fill up.
Fill up on lots of vegetables and salads.
If you’re hungry, fill up on pasta or rice.
It's the kind of place that fills up fast for the season.
Jenny kept filling my glass up with champagne.
Tax now makes up close to 75 per cent of the cost for motorists to fill up at the pump.
They filled me up with cakes and sandwiches.
`It's good for us,' he'd insisted, holding out his glass for a fill-up of water.
fills up
filling up
filled up
There is no origin for this phrasal verb
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