Trying alcohol for the first time

Hi everyoneee so im 15 (afab) and my sisters (over 18) have given me alcohol and in total ive had about 42% of alcohol. Ive had 2 shits and a can of vodka cruiser. I feel reallllyyy tipsy but idk if im drunk. Am i drunk? Will i get drunk from this much? Will i get a hangover or get sick?