We found one dictionary that defines the word human dynamos:

General (1 matching dictionary)

1. human dynamos: Vocabulary.com

(Note: See human_dynamo as well.)

Definitions from WordNet (human dynamo) ▸ noun:  a highly energetic and indefatigable person ▸ Also see human_dynamo ▸ Words similar to human dynamos ▸ Usage examples for human dynamos ▸ Idioms related to human dynamos ▸ Wikipedia articles (New!) ▸ Words that often appear near human dynamos ▸ Rhymes of human dynamos ▸ Invented words related to human dynamos