Marveriffic 

marvelous n terriffic combined

i was feelin marveriffic today

Marveriffic by pen snacther April 13, 2010

murderiffic

a feeling of psychotic outrage and or acting out in a ballistic manner.

Canton felt murderiffic after being berated by her friends.

murderiffic by lavie vikernes October 23, 2017

Magneriffic 

Something that is incredible

The rims on my car are magneriffic

Magneriffic by infrnlmajsty May 10, 2010