1. shoving a muffin over your bell end or,
2.ramming a muffin up your vagina.
this sexual act is best when used with chocolate chip.
many men have died trying to perform this act. this is why many porn stars do not attempt it, and it is banned in 477 countries of the world.
do you want shag muffin? yeah my bell end loves chocolate
someone sexy as hell !
someone with a FINE ASS
someone who enjoys crazy wild sex
2: WOW look at that SHAGMUFFIN
3:Chris-"man, that girl lat nigh was such such a SHAGMUFFIN we were all over the plaice !!"
pat-" haha nice!, i'd SHAG her MIFFIN! hahah"