An amalgamation of so many events or activities that you start slapping words together to express how truly busy a day is
Dude: Oh man my friend is having his birthday, wedding, concert and werewolf naming day tomorrow!
Dudes: That's a conglamacron of a day right there!
Dudes: That's a conglamacron of a day right there!
by Yekimander December 13, 2019