"My name is <place name here>. No offense officer, but I do not wish to engage in a conversation with you. I am excersizing my 5th Ammendment right by remaining silent. I do not consent to warrantless searches or seizures of myself or my property. If I am not being detained, I wish to leave now. If I am being detained, please explain what crime you believe I have committed, or am about to commit, and allow me to contact my lawyer for guidance. Am I free to go?"
Would giving that to a cop be confrontational?
Doesn't sound confrontational to me, especially if you are otherwise polite about it. Its like you made your own Miranda warning card.
I myself have advised our teenagers to be polite and not resist anything, but refuse up front any searches requested.