Would you be able to find the video? I had never heard of this, and can’t imagine what “chemical reaction” could occur beyond the carbon dioxide simply coming out of solution.
I can try, but that was probably 15ish years ago. So much has come and gone on the net since then.
I think it was mythbusters? It was something in diet drinks increases the effect over a regular soft drink.
For now, this is the best I think I can offer https://pubs.acs.org/doi/10.1021/acs.jchemed.6b00862#
Probably the sugar. Sugar decarbonates coke (and other sodas) pretty quickly. Add to that a container under pressure with only a small hole and you get an explosive reaction.
Yeah, but it works. When she was little, my sister did it all the time because she loved soda, but only without the carbon.