Billy Up

To go all out, to give it your all. To be steadfast and unrelenting.

I had to billy up on that toilet earlier; damn near blew out my asshole!

by Tarvinator2006 June 23, 2010

SHUT UP BILLY

This is a phrase that originated from Jacksepticeye. During his gameplay of Happy he uses it to describe a young boy. He associates Billy with all that is evil.

SHUT UP BILLY!!

-Jacksepticeye

by definemememan September 21, 2018