Not really a party, a codeine party is when two or more people get high on codeine. Codeine is not a very social drug so everyone is usually too messed up to even realize their with others, therefore great times ensue.
- "Yo man, wanna come to may place and have a codeine party?"
- "Totally, you supply the T3's, I'll supply the Vodka and we'll both supply the great times!"
- "Sounds like a plan"