Backstroke oversea 

A metaphor for drinking alcohol. Kendrick Lamar used this metaphor on his 2012 song, "Swimming Pools."

We're gonna backstroke oversea everyday this summer!

Backstroke oversea by Gabe H. Coud September 30, 2021

backstroke oversea 

Doggystyle while having a view of the ocean

Backstroke=Hittin it from the back
Overseas= in or to a foreign country, especially one across the sea.

Hints the term backstroke oversea(s)

backstroke oversea by Jdicjsnsjsisjf July 20, 2017