Am i gay because i had sex with a guy at a party ? btw i was drunk?

okay my names chris and last weekend we got out of school and my bestfriend asked me if i wanted to go to this one party and i went and we were all dancing and drinking and some people were even getting high anyway there was this one guy that ive known for quite some time there and he asked me if i wanted another drink and i said sure so i drown the drink and for what i remember i felt light headed and ended up starting to throw up so he was like dude are you cool and i was like yeah or watever so then he asked if i wanted to go upstairs to lay down or sumthin and i was like naw naw naw im good but he was like come on man ur sick so i went upstairs and layed on someones bed and he laid there beside me and started rubbing on mah leg and ended up feeling my dick and at first i was starting gettin turned on but i kind of backed off a little and to make a long story short he ended up giving me a handjob/******* and me givin him a the same i felt okay with it at the moment but then afterwards i felt discusted with myself....i need help i dnt kno if this makes me gay or bi because i have a girl friend but she doenst kno about it ....Am i ?....btw im about 2 be 17