A list of items to be discussed or accomplished, frequently in a meeting, which cause at least some participants to feel nauseated or to gag at the very thought of discussing them.
" I couldn't figure out why XYZ Corp wanted to visit us, but now that I've seen the gagenda they sent I can't decide whether to call in sick and get all the action items dumped on me in absentia, or suffer through it and try to pawn this stuff off on someone else."
As most men have a hard time remembering the shared calendar of his and his girlfriend/wife's, the "Galendar" has the last say in "if" you can attend an event.
I'd love to be in your all-day beer pong tournament on Saturday, but I've got to check the galendar first.