When you are in an intoxicated setting typically white girl wasted and someone tells you to just be yourself they really want you to act like a blacked out idiot. There's always that one friend that will take it to the next level. An event when one is just being themselves typically doesn't end well.

The Plural Version- "just being themselves"
Solo version- "just being myself"

when you're hungover as shit after a spending a night drunk as a skunk