i hate it too, there is this tall guy who i am somewhat friends with (he is a bully now that i think about it) and he steals mine and my other guy-friends stuff and holds it up so i cant get it back, and my friend has to get it for me (cause he is super tall). So in response i hit the not-friend with whatever he took and he still hasn't gotten the memo that it pisses me off.
when they don't give up tho i would usually say i don't love you anymore i love chycane or someone else from my group of friends XD and then they would stop and be like AWWW I WUVV U TOO SHORTIE DON'T BE ANGRY AT ME ANYMORE. lmao me and my group of friends r wierd ok ( chycane is a friend of mine who i am really close with but it's the same with everyone).
It happened to me once, just once lmao a really tall guy took my phone away from me while I was doing something important and then he laughed thinking that I wouldn’t be able to reach it... I swept his legs, took my phone from his hand and went away without saying a word he called my psycho but never did that again haha

You know, the “I know you can’t reach it haha” yeah that one. I’m not even short but it still gets done to me.