flapping the sesh

an annoying phrase used by others to make you feel bad when you are invited to do something but don't do it

when you didn't go to something when invited to do it

other word for letdown

toby i dare you to jump that fence!
nahh man
you're flapping the sesh!

let’s sesh

Means let’s smoke

Jacob: Aye Andrew!

Andrew: wussup foo?
Jacob: let’s sesh
Andrew: down bro 💯🤩✊🏽