Big Dick Rock 

Its a rock with a big dick

Wow that rock has a bif=g dick its a Big DIck Rock

Big Dick Rock by ahhhhhhhhhhhh help me April 19, 2023

rockin big dick 

When someone is in the act of boasting about an accomplishment or a possession. Examples would be a new expensive car, or the amount of money they make.

A highkey flex of something.

He pulled out $100,000 for no reason. He’s rockin big dick.

rockin big dick by Bruh 23232323 July 9, 2019