Flesh tube thimmy

Slang for taking a thumb in the bum, maybe even more depending on your preference.

Person 1: Hey bud, you look like life just gave you a solid flesh tube thimmy.
Person 2: I swear to you man life has rightfully fucked my own week.

Flesh tube shimmy

Sliding into a woman's vagina.

Person 1: Hey bud, you look like you had a fun flesh tube shimmy.
Person 2: You caught me, felt like I was drowning in there.