* for a bank
Idiom used all the time by Everybody
Used to express certainty. An idiomatic equivalent to the English "for sure". Can also be used sarcastically.
"Czy będziesz dzisiaj na przyjęciu?" "Na bank!"
"Are you coming to today's party?" "for a bank!"
Added March 2021 by anonymous
3 out of 4 Polish speakers have heard this