Terminology 101: Yuckin' It Up

Term: Yuckin' It Up
Pronunciation: \ˈyək-ˈin\ˈit\ˈəp\
Function: phrase
Etymology: slang
Date: 21st century

1: Having a jolly good time regardless of the situation, the activity or the location.
We were chillin' in the park, just waiting for the sun to go down. It was me, Tyronne, and the homies just "yuckin' it up" last Sunday afternoon.