inbotherable 

noun; not capable of being bothered.

It is literally impossible to bother me. I am inbotherable.

inbotherable by physics_dude November 27, 2018

inbonerable

to not be subject to feminine wiles, to be able to not get a boner despite major advances by a girl or flirting

Guy 1: Dang, that girl was coming on to him like crazy. He probably has a huge boner right now.
Guy 2: Nah, probably not. That guy is inbonerable.

inbonerable by letitrock47 December 1, 2010