What is Zakuson?
1.
Just like
It is highly recommended to eat carbonated, dry and small meals such as white bread while you are drinking, for the sake of your stomach.
Nevertheless, it is important to eat something with your drinks anyhow.
"Alex, did you bring any Zakuson?"
"Ma amarti lecha kodem? Daber Ivrit!"
(English translation: Yes, since it's important and healthy.)
See