Someone who admins that they're a bottom and has no problem with it (is sometimes even proud of it) is called King Bottom.
Person A: "You are such a bottom! Every switch compared with you seems like a top."
Person B: "I know. I'm a bottom. Do you have something against bottoms??"
Person A: "So you like being a bottom?"
Person B: " Yeah, I'm the King Bottom!!"
When on tour or traveling, you use the last pair of socks in your luggage and all the socks left are smelly.
Touring during the summer is the worst. I only made it to San Francisco before I hit sock bottom.
In contrast to "turtles all the way down", an expression of the problem of infinite regress, the "bottom turtle" is the foundation upon which everything else is built.
An example from computer security:
You have some software with a secret that you need to protect, so you encrypt it. Now you have a key, which is really another kind of secret that you need to protect, so you encrypt it, and so it becomes turtles all the way down. To break this loop, we need to establish a bottom turtle. There must be a secure root of trust either in hardware or a trusted external system upon which the security of the system is built.
To break the loop of infinite regress we need to establish the bottom turtle.
Putting baby powder between one's fat crevices to absorb sweat.
dragging your penis on dat ass
IM going to bottom trawl your ass tonight rachel.
The sexual act of ejaculating in the rectum, staying there, and going again a second time.
I almost slipped out while Pickle Bottoming last night
When your butt is hungry for dick
Harry was a ravenous bottom after seeing Fred in his suspenders wearing a Fanny Pack