Rotgut (noun)

1. Poor-quality alcohol, especially cheap whiskey.
2. An inferior or low-quality product, especially a drink.

Origin:

Of unknown origin.

Examples:

1. The rotgut was strong enough to make you see double.
2. The rotgut was the only alcohol available at the dive bar.
3. The rotgut was infamous for causing intense hangovers.
4. The rotgut was often cut with other ingredients to make it go further.
5. The rotgut was a staple of rough-and-tumble bars in the old west.