Sort of like "you do you," but with a strong implication that you're talking out of your ass. Basically "you're an idiot and what you're saying is stupid, if you want to keep going I guess I won't stop you."
(verb) - when you didn't understand what someone said and don't want to ask them to repeat themselves multiple times and just guess that they said something funny and smile.
It was way too loud to make out what he was saying so I just guessmiled at him
When you really really want to emphasize that no one cares about something. Not only does it feel satisfying to say, it's a quick and easy way to shut someone down when they say something stupid or trivial.
Guy 1: My favorite color is white.
Guy 2: No one gives a shit.
Masturbating when a guest in another's house. Carries extra shame but oh so naughty at the same time!
My aunt put me up in her basement for the night as I traveled through town. Couldn't sleep...I tested the bed for creaks, then naturally I guesturbated. I'm pretty sure I pulled it off without detection! yet at b-fast I couldn't help but wonder if she was looking at me funny....
When it becomes necessary to exit a chick's apartment via the window because you realized too late that you are drying your ass and junk with her "guest towel" after bangining the shit out if her"
I wasnt paying attention and i had to make a guest towel get-a-way. Man I dont know which i left messier, her or her goddam linens.