Person A: Are you going to that girl's house tonight?
Person B: Yeah bro.
Person A: You gonna Netflix and Chill?
Person B: No bro, we gonna go straight to shmacking up.
Said after a very corny, very unfunny joke. Derived from the old Vaudeville comedy acts in which almost every one-liner was punctuated by a musical jingle. Usually played on the piano by a portly man with bright red cherub-like cheeks.
See: shacking
1. one with a rancid, putrid aura
2. the mating call of a proud virgin
3. what is said to indicatethat shit is about to get litty
4. can be used interchangeably with "nigga"
1. Efraim you stinky shacking rat bastard.
2. Guy: Shacking raaaAAAAAAAaaaaaat!
Every girl within a 50 foot radius: *dripping noises*
3. AYY AYY SHACKING RAAAAAAAAT!
4. What's up my shacking rats? Let's hit up this lick.