lane switch 

To go after your significant others friend.

Hey did you hear about Zach he done lane switched and his girl put him out.

lane switch by Zrock September 20, 2017

Lane Switching Tango 

When two people keep switching lanes in an attempt to not cause an accident. Typically caused by people who blindly merge.

Man, I was driving to work and this lady nearly hit me and made me do the lane switching tango.

Lane Switching Tango by Rusty BallsR 69 October 29, 2021