kiddush with whiskey

Question

some askanazim have a minhag to make kiddush on shabbos day with whiskey. Do you need to make it on a revious? Can you make it on a plastic throw away cup, or do you need a bona fide kos?its an important question because its being done every shabbos.

Answer

Answered by Chaim Yisrael Abadi

Yes, you need to make it on a revius. It can be made on a plastic cup. CYA (PS this is a correction from a previous answer)