Snooki's (Nicole Polizzi) term for a casual sexual encounter, occuring on Jersey Shore. Used in the South Park Episode "New Jersey", in which the Snooki monster can only verbalize the words "smoosh smoosh".
Snooki monster: "Snooki want Smoosh Smoosh!"
Kyle Broflovski: "You're gonna have to go somewhere else to get your smoosh smoosh Snooki!"
Snooki monster: "Awww..."