When a girl is snapping/texting you constantly, but you make her wait before you respond so you don’t look desperate.
John:Oh man! That hot chick just snapped me, I better open it!
Bob: Nah man, don’t look desperate. Give it a minute, let it simmer.
When you take a shit but instead of flushing right away you just sit there for a while
By all means John had finished his business. But rather than flushing and continuing on with his day, he decided to let it simmer while he contemplated the meaning of it all.
Letting yourself drown away in your own thoughts and basically dozing out. It’s a sensation of forgetting everything around you and the only thing you can see, hear and feel is what your mind wants to put you through.
I’m so fucking tired of this shit, let me simmer away.