fizzing

Short definition from Wiktionary

Verb

1. 1
   present participle and gerund of fizz
2. 2
   present participle and gerund of fiz

Noun

1. 1
   The action of the verb to fizz.
2. 2
   The sound made by something that fizzes.

Adjective

1. 1
   That fizzes or fizz.
2. 2
   Very fast or active.