We don't have any synonyms for belly gunner yet.
Think belly gunner belongs in the thesaurus? Recommend it and we'll take a look.
Definition of belly gunner:
°Someone who is just starting at something, or has only recently started.
"I'm pretty new at learning Japanese, I'm just a beginner."
°Someone who sets (or puts) something in motion.
"The beginner of the games lit the ceremonial torch."