blunder-switch
nounUK /ˈblʌn.də swɪtʃ/
US /ˈblʌn.dɚ swɪtʃ/
A blunder-switch is a button you press by mistake when you meant to press a different one.
I hit the blunder-switch and turned off the game instead of saving it.
RELATED WORDS
OTHER MEANINGS
2. A switch that is easy to press by accident because it sits too close to another switch.
The blunder-switch on the remote is right next to the power button.
3. A change in plans made suddenly and carelessly, often causing trouble.
Cancelling the picnic at the last minute was a real blunder-switch.
4. In sports, a clumsy move that gives the other team an advantage.
His blunder-switch let the other team score an easy goal.