gagnon
Getting a gagnon is when someone slams their cock so far down your throat you think you're going to die. You puke, you choke, and they still won't let go. You're just stuck with the mess.
My friend got a gagnon at the party and it took him 10 minutes to stop throwing up.
I got a gagnon from my crush and now I hate him forever.
She got a gagnon from her boyfriend and it made her pass out.