The acronym for it's Still Yo Mother Fuckin' Set.
A term used bodybuilders and weightlifters alike indicating you have not completed a repetition for a particular workout.
A term used bodybuilders and weightlifters alike indicating you have not completed a repetition for a particular workout.
by jasonthecancer March 10, 2014
The acronym for I Suck Your Mother's Fingers Slowly.
Term used by MILF lovers and feet fetishists. Often tattooed on different body parts to inform cougars about your preferences.
Term used by MILF lovers and feet fetishists. Often tattooed on different body parts to inform cougars about your preferences.
Woman: Hey is that ISYMFS on Your arm?
Boy: Yes it is.
Woman: Let's go to my house and talk about it.
Boy: Yes it is.
Woman: Let's go to my house and talk about it.
by MichealQA August 13, 2019