A mussel party is a party attended by a bunch of crunchy old people. During this party they consume mollusks and drink cheap liquor. This is the old people version of a kegger, only instead of leading to vomiting it leads to anal explosions.
Me: Hey mom and dad how was the mussel party?
Mom: It was great! We ate a lot of mussels and drank some good wine.
Dad: It was terrible... I just turned the bathroom into a terrorist hot spot.
Me: That sounds like a terrible time.
A party , usually a family party, where the male host requests that the guys bring two cars so their significant others can leave with the kids, and the guys can stay and get shitfaced and shit.
Sully had a two-car-party for his boy last weekend.
They had some jumpy thing bullshit but the wife took the rugrats home around 8 and we stayed up all night playing hold 'em and doin' shots of Jameson.
Voting for a different presidential candidate than the rest of your party line.
This election, more voters swung bi-party line.
Two men feverishly masturbating while making ship horn noises.
Jeff and Dwayne were having a tug party in the Taco Bell restroom.
An orgy with extra steps. Like a buffet line, but where half of the "party" lines up on the ground and the other half takes turns having their way with them.
"Man, that deer party we had in the woods last night was wild!"
When you insert your finger into someones asshole after consuming spicy finger foods. Especially when resulting in pain for the receiver.
I gave my girlfriend a Jedi Surprise party last week, and she still makes me wash my hands before bed
When you suck your own dick while your girl licks her pussy while listening to Stacy's Mom by Fountains of Wayne and record it to send to Harvy Weinstein
Guy 1: John looks happy today
Guy 2: Well, I heard last night his girlfriend agreed to have a Hammy Sammy Harvy Stacy Party
Guy 1: Lucky bastard