The 16 Funniest Southern Expressions (and How to Use Them) August 29, 2016 by Justin Andress View All On 1 Page 11. Beer number four without a bathroom break; my back teeth are floating. Meaning: I need to urinate. You can also use, “my eyes are turning yellow” or “my eyes are floating”. Typically used in an emergency scenario. vchal / shutterstock.com 11 of 16PreviousNext