When someone whispers in another persons ear while fisting there anus!
(Also used as fisped or fispes)
"You need to quiet down in the other room I could hear you fisping from the kitchen!"
"I heard you like to be fisped while being fisted!"
"I heard your a fisper!"
A fisp is a lisp but with f’s. Words like Fuck will give the person anxiety and stress due to the amount of effort used in saying the word.
I have a lisp but with f’s, it’s a fisp.