What is the worst gambit?

https://www.chess.com/openings/Birds-Opening-Dutch-Dudweiler-Gambit

Has to be dudweiler

Botez is not a gambit, it's a term meaning blundering a queen

It's the Jerome Gambit. Black is better after the moves:

Worst gambit?

Irish Gambit, end of discussion.

Actually, the variation you posted is winning for white because of the move 8. Qd5+, winning a bishop.

And how exactly is that a gambit?

thats not a gambit

Qd5+ wins for white

The worst gambit is definitely the Dudweiler Gambit

I've been saying Irish, but now I think the Australian Gambit is worse.

And the game just goes downhill from there

a game with the gambit

its gambiting your game

Latvian gambit & tennison gambit

If we count everything chess.com labels as a gambit, the irish gambit has to be #1, though calling it a gambit instead of a blunder is very brave