Or a reference to a play or musical. Especially if it's obscure. Me with most of my friends...
This all too familiar situation. | 26 Jokes Only Theatre Nerds Will Understand
Fronkensteen Lounge: Theatre Humor! My Best Theatre Jokes
Why do people say "break a leg" before you go on stage? - Lame Pun Coon - Aug 3, 2012 - Memestache
Portsmouth Area Arts Council (Children's Theatre) T-shirt
technical theatre quotes - Google Search
This fear that's instilled in you. | 26 Jokes Only Theatre Nerds Will Understand
Haha! Technically it's the pretentious theater poodle, but it works for teachers too!
When Darren is about to sing to have a home
This sassy Jean Valjean.