Definition & Meaning of "get a load on"

What is the origin of the idiom "get a load on" and when to use it?

The idiom "get a load on" is used informally to refer to consuming alcohol, often in a significant quantity, with the intent of becoming really drunk. The origin of this phrase is not precisely known, but it is thought to have evolved from various slang terms related to alcohol and inebriation. It is often used humorously or casually to refer to the act of drinking alcohol, especially in social or party settings.