Roleset shimmer.01 Verbnet Class: 1 "emit light, sparkle":

Roles:

Arg1:source of light

Examples:

person: ns tense: present aspect: ns voice: active form: full


true romance (-)
``Your eyes shimmer like a swamp on a cloudy night,'' whispered John to Mary.
Arg1:	Your eyes
REL:	shimmer
Argm-MNR:	like a swamp on a cloudy night

Roleset shimmer.02 Verbnet Class: NONE "verb of motion?":

Roles:

Arg0:entity in motion


Arg1:path

Examples:

person: ns tense: past aspect: ns voice: active form: full


weird example (-)
If mutation and natural selection slowly but surely give rise to more and more advanced forms of life, then it was only a matter of eons before splendid beings endowed with reason, self-awareness and taste shimmered onto the scene.
Arg0:	splendid beings endowed with reason, self-awareness and taste
REL:	shimmered
Arg1-onto:	the scene

I think the writer invented this usage. Maybe s/he meant 'shimmy'?