* I hold thumbs
Standard Phrase used all the time by Everyone
ˈtʂɘmam ˈkt͡ɕuki • In Poland, we hold our thumbs instead of crossing our fingers to wish somebody good luck.
"Jutro mam egzamin ustny." "W takim razie trzymam kciuki!"
"I have an oral exam tomorrow." "In that case, I hold fingers!"
3 out of 6 Polish speakers have heard this