Offering queen's odds and move to a Grandmaster sounds pretty bad.
What's the Worst Move You Can Make?

Post your own games too if you wish. We all sometimes make seemingly logically but disasterous moves every now and then. This thread is about just that. Basically, just post a position, and see if anyone can post the wosrt move you or your opponent could make, and explain why a such seemingly logical move is such a terrible move. Here's a simple one to get the ball rolling.
Edit: You solve the puzzle by making the worst move you can.
I PLAYED THE BEST MOVE I COULD THINK OF lol

#33 Actually worst move is actually 10...0-0. White has mate in 6. Also, 11...Rf8 is the worst move, because of 12. Qe2#.

#33 Actually worst move is actually 10...0-0. White has mate in 6. Also, 11...Rf8 is the worst move, because of 12. Qe2#.
he can block with his queen
I hang my queen and get mated in one countless times.