" steel drum "

 [ "steel drum" ]

1: An instrument believed to originate in Trinidad after WWII. Made from the hammered lid off an oil drum and creates different tones when struck.

  * e.g.,  ... He played the steel drum for visitors to the island. 

 [ "Steel Drums" ]

1: Fake boobs. Breast implants. Especially ones way too large for the female body in which they inhabit.

  * e.g.,  ... "Whoa! Look at the steel drums on that babe!" "Nice rack" 

 [ "Steel Tongue Drum" ]

1: A variation of cunnilingus where you keep your tongue straight and hard like steel while she plays your head like a drum.

  * e.g.,  ... Me: Man, I had a strange experience last night while hooking up with that girl. Freddy: What happened? Me: As I was going down on her she started to play my head like a drum and told me to stiffen my tongue?! Freddy: Sounds like she loves to play the steel tongue drum! 

 [ "Back of the steel drums" ]

1: Anal, especially in a band room or with instruments

  * e.g.,  ... "Bro, Sharon let me in the back of the steel drums last night!"