The motion/act involving intense squashing/ripping/tearing/mutilating of an object or being. deforming an object through rage, deliberately with force, re arranging the formation of objects. scrunching or bunching up an object in a fit of rage or humour.
Dont look at me like that or i will scrungle your face....
She made me so angry i just scrungled the corner of the sofa.
Or, more informally, "someone who has their nuts in a scrunch." Used to describe someone uptight or a "goody two shoes." Typically referring to someone who doesn't relax.