Adjective: characterized by being subjected to a hellacious sequence of unexpected, stressful, unfortunate events leaving a person feeling as they were shitted on.
When she got home from work, Jane Doe went straight to the fridge and poured herself a glass of vino, sat down on her couch, and exhaled with exasperation after having such a shitacious day of dealing with incompetent, complaining coworkers and needy clients.
Adjective form of simp
Usually used to describe a person, their actions, or something they made
John, to his girlfriend: “I’m gonna buy you this $1,000 gold ring you wanted so much to commemorate our 1-week anniversary”
Dave, who is also there for some reason: “Damn bro, that’s very simpacious of you”