Pronounced “moose-off”
To hit a musaf is to hit a HOMERUN in softball.
The word musaf refers to when your bat hits the ball so hard it creates a strong roar, or maybe refers to the crowd roaring when you hit it- whichever it is doesn't matter as long as you're hitting musafs all day.

(Noun) The act of brutally sodomizing a bicurious and slightly overweight Pakistani male while one's erect genitalia is covered fully or partially with Arabian hot sauce.