What are the big lighters called?

The big lighters are commonly referred to as "torch lighters" or "culinary torches". They are typically larger than regular lighters and have a more powerful flame.

Giant lighter zippo

Zippo does not manufacture giant lighters, but they do offer a wide range of regular-sized lighters that are highly customizable with various designs, colors, and engravings. It is possible that there are giant lighters available from other brands, but Zippo is not known for producing them.

Giant disposable lighter

Giant disposable lighters are typically larger versions of regular disposable lighters that are designed to be used for longer periods of time.
They are commonly used for outdoor activities like camping and can have a larger fuel tank and flame size than standard disposable lighters.
However, they are still intended to be disposable and are not refillable like some other types of lighters.