Over the past seventeen years of playing Halo, I have encountered my fair share of wonky physics and glitches. This video showcases the ones I have encountered within the past ten years (or the majority of them, any way. I lost a good chunk of videos earlier this year because of corrupted data). The majority of the video is from the early days of Halo: The Master Chief Collection, so there are some weird but pretty entertaining ones.
I found the wonkiest physics to be in Halo 2.