I will say that there are some waifus that could possibly kill a dinosaur opponent. I'd like to mention the waifus in My Hero Academia and Tokyo Ghoul for example. All MHA characters need to do is use their quirk on saurian opponents like that one based fight i made with the sub adult Lilien and Toga and a lot of the Ghouls in Tokyo Ghoul will likely use the tentacles that come out of their back and enhanced strength that could give them the upper hand. now I'm not saying these waifus could kill every dinosaur but could win against most small dinosaurs and other Mesozoic fauna(most small dinosaurs like Compsognathus just need to be stomped on and the fights over just like that)