Anything that is lame, weak, or not enjoyable in any way, can be summed up with the phrase loose butthole. Seeing as most people don't enjoy a stretched crack, this term should be reserved for only the most deserving moments.

Got the covid-19 vaccine

something bad, not good, misleading, unpleasant, or just straight messed up

1. Something that puts you in discouraging situations like bad advice from someone or hanging out with a douchebag.

2. Can be used to describe a crappy night/party/event.

3. Term used frequently by the main characters Blake, Adam, and Anders in the comedy central show Workaholics.

when something was really uncool, shitty, or totally not tight butthole.

(adj)- A very bad situation
(n)- A sloppy joe that looks like shit that went through a wood-chipper

butthole that is streched because it has been repetedly fucked or fingered.