"heavy" as noun
1 - A villain or bad guy; the one responsible for evil or aggressive acts.
2 - A doorman, bouncer or bodyguard.
3 - A large multi-engined aircraft. (The term heavy normally follows the call-sign when used by air traffic controllers.)
"heavy" as verb
1 - (often with "up") To make heavier.
2 - To sadden.
3 - To use power and/or wealth to exert influence on, e.g., governments or corporations; to pressure.
"heavy" as adjective
1 - (of a physical object) Having great weight.
2 - (of a topic) Serious, somber.
3 - Not easy to bear; burdensome; oppressive.
"heavy" as adverb
1 - In a heavy manner; weightily; heavily; gravely.
2 - To a great degree; greatly.
3 - Very
