That one particular smell that stems from a mans pubic hair after no cleaning for a couple of days. Muffju typically smells like a can of wet cat food.
This is an adopted Spanglish variation of puñeta to refer to masturbating a vagina by inserting fingers or an object in it! It can be done on oneself or by a partner.
Luisa gave herself a muffuletta with an eggplant until she came and sprayed the Siamese cat laying in front of her!
A rash or abrasion received on a mans (or womans) tongue, lip, chin, nose, etc... when he/she has given particuarly active oral sex to a girl. Results from continual rubbing on pubic hair, or pubic hair stubble.
guy1: "Dude, what's up with that rash on your lip?"
guy2: "muffburn man-- 2 hours of oral and I got muffburn!"
The female noun/verb combo of the very popular "cockblock" or "cock block". A muffcuff occurs when a female is twarted from her goals or desires by someone else. The person doing the thwarting (aka the muffcuffer) could be a person, place or thing, or even a vague, abstract concept.
omg that ho totally just muffcuffed me when she showed her slutty cleavage to the bartender.