Fake drinking ideas?

So when we go out with friends my husband and I have been pretty good about switching out his empty cans into my koozies. Or ordering jack and Coke without the jack so that nobody hears. But now we have an outing with my brother and I can't slide anything past him (were waiting till Thanksgiving to tell). Anyone have any ideas? Only thing I can think is to get some non alcoholic beer (which I totally didn't know was Thing) but when I Google it it says they have little to no alcohol. Does anyone know of non alcoholic beers that have NONE. And that look legit?