fill up

fill up

1. To cause someone to feel full from eating, as by providing them with food. In this usage, a noun or pronoun can be used between "fill" and "up." If the kids aren't hungry, it's probably because your mother filled them up with junk food.
2. To become full of something. The hamper filled up in no time when we got back from our trip.
3. To cause something to become full of or crammed with something In this usage, a noun or pronoun can be used between "fill" and "up." Did you fill the hamper up already? Where am I going to put my dirty clothes?
4. To put fuel in a vehicle's gas tank. Let me just stop and fill up before we get on the highway.
See also: fill, up
Farlex Dictionary of Idioms.

fill someone or something up (with something)

to put as much as possible into someone or something. We filled him up with chili and crackers. We will fill up the basket with leaves. I will fill the basket up with flowers.
See also: fill, up

fill up

 
1. to become full. The creek filled up after the heavy rain yesterday. The rain barrel began to fill up during the storm.
2. to fill one's gas tank. I've got to stop and fill up. The gas tank is running low. We will fill up at the next little town.
See also: fill, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

fill up

v.
1. To become full: The bucket filled up with rain. The train filled up quickly, so we had to stand in the aisle.
2. To cause something to become full: I filled up the sink with soapy water. We inflated the pool and filled it up with water.
3. To fill some vehicle with fuel: I said to the mechanic, "Fill it up!" You'd better fill up the car soon. If we don't fill up now, we could run out of gas.
See also: fill, up
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • angle
  • angling
  • orient
  • orient to
  • orient to (something)
  • spiff up
  • spiffed up
  • not do (someone or oneself) any favors
  • ask back
  • (Is) this taken?
References in periodicals archive
With a 13.2 gallon tank the auto should be good for around 550 miles between fill ups which is not too much of a penalty compared to the manual version which Citroen claims can average 55.4mpg.
The small, but punchy three cylinder, 1.0-litre engine offers 50 miles per gallon on average which equates to 450 miles between fill ups.
I had become suspicious of the extraordinary fuel consumption read-outs I was getting after the first few fill ups.
With a 12 gallon fuel tank the Clio Eco can manage 950 miles between fill ups - and with some coaxing it can break the 1,000 mile barrier.
The small, but punchy three cylinder engine offers 50 miles per gallon on average which equates to 450 miles between fill ups.
But, despite carrying less fuel, the Civic IMA is capable of travelling around 600 miles between fill ups - 100 miles more than a normal petrol powered Civic.