O que é o Gear 5 de Luffy em One Piece?

Quem viu por aí, já sabe: Luffy conseguiu, ele dominou a internet ao lado de um termo: Gear 5 - Mas o que ele significa?

One Piece episode 1071: All about Luffy's Gear 5 anime debut

Gear 5 Luffy fanart by me : r/OnePiece

Gear 5 Luffy: Everything You Need To Know - But Why Tho?

Why Monkey D. Luffy's Gear 5 May Be the Most Unique Transformation

Banpresto - One Piece - Monkey D. Luffy Gear 5, Bandai

Luffy Gear 5 - Nika - One Piece - 3D Print

Luffy Gear 5 - Nika - One Piece - 3D Print by khuongph123

What is you exact thought on Gear 5 and why? : r/OnePiece

Banpresto - One Piece - Monkey D. Luffy Gear 5, Bandai

One Piece: Luffy's Gear 5 Technique (Explained)

One Piece Figures - 23cm Gear 5 Luffy Anime PVC GK Statue Action

This is what Luffy's Gear 5 looks like in the One Piece anime