You have finally managed to make it past the velvet ropes, dodged the coat check, and found the host who's supposed to be having a party. Now it's time to invite them back into their own party.
This is the part where you get to say things like:
Don't worry, the host will probably just laugh and invite you in. Or maybe not. Maybe they'll call security.
Either way, you've got this.
Now go forth and crash some parties, traveler.