eat a cactus
A very angry way to tell someone you hope they get stuck in a cactus forever, with no snacks or friends
My neighbor screamed 'eat a cactus' when my dog pooped on his lawn.
My friend said 'eat a cactus' when I said his playlist was worse than my sister's.
My boss told me to 'eat a cactus' after I took a nap during a meeting.