1. drop in - Noun
2. drop in - Adjective
3. drop in - Verb
visit informally and spontaneously
Source: WordNetdrop-in
Every drop in the ocean counts. Yoko Ono
We ourselves feel that what we are doing is just a drop in the ocean. But the ocean would be less because of that missing drop. Mother Teresa
According to Eshin's "Essentials of Salvation," the Ten Pleasures are but a drop in the ocean when compared to the joys of the Pure Land. Yukio Mishima
A barrel that contains the wine will retain the drop in its staves. Irish Proverb
A drop in the sea. Russian Proverb
Who is alive, always drop in... Brazilian Proverb