bummer butt
i was having a good time relaxing at the beach until i saw a bummer butt and had to go home
people on the beach who when you see from behind can ruin your day because there swimsuits and butts are the wrong size for each other
"i was having a good time relaxing at the beach until i saw a bummer butt and had to go home" What is the definition of "bummer butt"?