de cu é rola

Etymology
lit. 'of an asshole is a dick'.

Phrase

 * 1)  my ass indicates disapproval, disagreement, or disbelief, often with a tone of disregard, disdain, or disgust

Usage notes
Use this expression this way: "... de cu é rola!"

Replace the ... with the main idea, typically a noun, from what the interlocutor said. Example: