"Face the music- - heard it in the tv series "Breaking Bad" :)
"Gibberish", yes, Irish origin of that word :)
"Eavesdrop" - Of course
"I haven't seen you for donkey's years" - Yes, it's used in British English.
"Catch 22" - Yes, it's a song by singer Pink.
"A different kettle of fish" - Used by an Irish friend, so yeah.