1000 Blank White Cards on boardgamegeek has solid reviews and explanations which can prompt your creativity.
Top comments:
In my experience this always ends up turning into Uno-but-stupid or Truth or Dare. Both games are better than this.
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Rules Lawyer - The Game. Always sounds like a fun idea, always ends up being a pain. Cool concept though, and I imagine the right crew who don't go straight for unhinged combos or weird cards that invade people's safe space would get a great deal out of it.
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BackMade in Humphrey apartment w/ roomies and friends. Bond gadgets, food modifications, dickbutt. George killed Yoshi. Given a Viking funeral at Cabin Weekend 2021.