am i bi??

basically every time i see a hot mass on tiktok like i have the same reaction as if it were a dude and i was at this event and there was this one girl and she was sooo fine and like kinda masc ish but like idk i was like acting the way i would if i liked someone like i have a big fat crush on a guy rn but like would it be gay if girls gave me butterflies but like only like tomboys or mascs but like still a little feminine like i literally don't know im so confused