EXAMPLES FROM THE WEB FOR FILL UP
"Come, George, fill up your glass," said Ashton repeatedly; but George declined.
I will sign you a blank cheque, which your uncle can fill up with the amount he has stolen.
Ah, well, I suppose they have to fill up the piece some way!
I asked, partly to fill up Mrs. Alderling's continued silence.
Season with pepper and salt, and fill up the dish with water.
Then fill up the cavity with marmalade, or with lemon and sugar.
They were only talking, to fill up the interval until the music began.
There was so much left to my imagination, and it bothered me so much to fill up the blanks.
The duty of the latter was to fill up the ranks of the others.
A kettle of boiling water should be at hand to fill up the saucepan as required.