lisp muscle Posted in L Best definition lisp muscle the muscle up a gay mans ass that is hit while butt fucking causing the gay man to speak with a lisp ssssshit, you hit my lisp muscle (lisssssp mussssscle) you ssssstud. How satisfied are you with the definition? Looking for lisp muscle meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 105 times.