Input* meaning the mouth, and output* meaning the anal cavity. A term/phrase relating to oral or anal sex, respectively.
A: I was fiddling with the input on my girlfriend last night.
B: HAH! I know! I was fiddling with her output the other night!
Fiddling with the (input*/output*) can be interchanged anywhere.
In geometry, the gyroelongated pentagonal cupolarotunda is one of the Johnson solids (J47). As the name suggests, it can be constructed by gyroelongating a pentagonal cupolarotunda (J32 or J33) by inserting a decagonal antiprism between its two halves.*
*Information copied from the Wikipedia page
Friend 1: Yo, dude! I'm collecting 3D shapes for decor in my house. Any suggestions?
Friend 2: You should buy a gyroelongated pentagonal cupolarotunda.
Friend 1: What the hell is that??