a świstak siedzi i zawija je w te sreberka

Etymology
lit. 'and the groundhog sits there and wraps them in tinfoil'. A line from an old chocolate commercial that features a man accidentally stumbling upon a secret chocolate factory operated by mountain animals where a groundhog wraps chocolates in tinfoil. When he later relates his experience to friends, they react patronizingly and think he is crazy.

Phrase

 * 1)  cool story bro;