1. fill up - Noun
2. fill up - Verb
fill or stop up
become full
make full, also in a metaphorical sense
eat until one is sated
Source: WordNetfill-up
Alcohol doesn't console, it doesn't fill up anyone's psychological gaps, all it replaces is the lack of God. It doesn't comfort man. On the contrary, it encourages him in his folly, it transports him to the supreme regions where he is master of his own destiny. Marguerite Duras
Whose woods these are I think I know. His house is in the village though He will not see me stopping here To watch his woods fill up with snow. Robert Frost
Ignorance breeds monsters to fill up the vacancies of the soul that are unoccupied by the verities of knowledge. Horace Mann
Of all the diversions of life, there is none so proper to fill up its empty spaces as the reading of useful and entertaining authors. Joseph Addison
It's unworthy to dig a new pit to fill up an old one. African Proverb
If you do not fill up a crack, you will have to build a wall. Swahili Proverb