To feel indifferent or not bothered by something.
A friend asks you: "Hey man, what you think of that new chick?"
You reply: "Marph"
-Doing something so freakin impossible its never even been thought of.
-Doing something so crazy you have to repeat it 3 times for someone to even comprehend the basics of what u just said.
-It's the Big Daddy to merk.
-To totally fuk shit up the ass
Omg dude Ryan marph'd some kids lastnight on Call of Duty, he got a triple kill with a Flash bang!
Dude Jimmy just marph'd life last night, he got head from 4 girls and hes a legit homosexual.