Meaning of surge

"The skin on the Coyote's neck began to undulate and surge and took on the shape of a human face."

which of the following definitions of surge best fits the sentence?



1 [intransitive] + adverb/preposition to move quickly and with force in a particular directionThe gates opened and the crowd surged forward.Flood waters surged into their homes.He surged past the other runners on the last lap.

2 [intransitive] (+ adverb/preposition) to fill somebody with a strong feeling

Synonym


sweepRelief surged through her.

3 [intransitive] (of prices, profits, etc.) to suddenly increase in valueShare prices surged. related noun upsurge

4 [intransitive] (of the flow of electrical power) to increase suddenly



Thanks so much.