Meanings of "Ищи-свищи"
It's about someone or something, very hard to find. (usually it's about someone, who has gone / has escaped)
"Ищи-свищи" in lyrics
We fought as if it were for gas
We fought, what’s better: shi or borscht?[fn]Shi and borscht are Ukrainian soups popular in Eastern European cuisine.[/fn]
You collected [your] things and disappeared[fn]”Ищи свищи”, literally meaning “look whistle”, is an idiom signifying that something or someone has disappeared.[/fn]
And then decent stress