it is December 10th. On this national holiday, you respond to anyone who is a boomer (or remotely looks like a boomer) with "Ok boomer." This include school teachers/administration, people working, or any other boomer.
*conversation with teacher*
teacher: Johnny, you have gotten a 69% on the last five tests. Step it up.
student: Ok boomer.
teacher: "DiSrEsPeCtFuL!?!?"
student: It's okay. It's National "Ok boomer" Day.
by boolin_lmao November 8, 2019
Get the National "Ok boomer" Day mug.