Brianna LaPaglia's not playing when it comes to her cat ... saying if Zach Bryan shares more pics of the animal, she'll release a tape she claims show him throwing objects at her.
The Barstool Sports personality took to TikTok Sunday morning ... saying that if he -- seemingly referring to Bryan -- keeps posting pics and videos of her cat, then she's going to share a clip where he's "whipping s*** at my face."
KEEP THE CAT OUT OF IT
You'll want to watch the video .