unluckyswitch
nounUK /ʌnˈlʌki swɪtʃ/
US /ʌnˈlʌki swɪtʃ/
A switch that brings bad luck when you use it.
He flipped the unluckyswitch and the whole machine stopped working.
RELATED WORDS
OTHER MEANINGS
2. A person who always seems to have bad luck.
My cousin is an unluckyswitch who loses every game he plays.
3. A change in plans that turns out badly.
The sudden unluckyswitch in the schedule ruined our trip.
4. A small device that fails at the worst moment.
The unluckyswitch on the toy car broke right after he got it.