1. drop by - Noun
2. drop by - Verb
3. drop by - Phrase
visit informally and spontaneously
Source: WordNetdrop-by
He who learns must suffer. And even in our sleep pain that cannot forget falls drop by drop upon the heart, and in our own despair, against our will, comes wisdom to us by the awful grace of God. Aeschylus
We cannot tell the precise moment when friendship is formed. As in filling a vessel drop by drop, there is at last a drop which makes it run over; so in a series of kindnesses there is at last one which makes the heart run over. Ray Bradbury
You can't just turn your heart off like a faucet; you have to go to the source and dry it out, drop by drop. Sarah Dessen
Drop by drop - a whole lake becomes. Bulgarian Proverb
Drop by drop would make a lake. Azerbaijani Proverb
A river is made drop by drop. Afghan Proverb