WordkciukMeaningthe thumbPart of speechnounPronunciationCoursePolishLessonStrong wishes (oby)Usages of kciukObyśmy wygrali mecz, trzymam kciuki!Hopefully we will win the match, I am keeping my fingers crossed!Oby nie przegrał pieniędzy, trzymamy kciuki.Hopefully he won't lose the money, we are keeping our fingers crossed.