A jug is a container you use to hold drinks like water or juice. It usually has a handle and a small opening to pour easily.
She poured water from the jug.
The jug is full of milk.
In some regions, jug means a big pot to cook food in. It often has a handle for holding and cooking liquids or stews.
She cooked stew in the big jug.
The soup boiled in the jug.
To jug someone means to make them drink alcohol quickly or a lot. It is informal and often used about parties.
They jugged him with whiskey fast.
She was jugged on the party night.
In electricity, a jug is a special insulator that holds wires so they do not touch other things. It is technical and used by electricians.
The jug insulator supports the power lines.
A ceramic jug holds the wire tightly.
In some British slang, jug means part of the female breast near the nipple. It is informal and not polite in all contexts.
He touched her jug carefully.
She showed the bruise on her jug.
In some London slang, jug means a room filled with smoke or bad air. It comes from rhyming slang and is used to describe bad smells or stuffy air.
The room was full of jug after smoking.
I hate the jug in this old pub.