Hagglepegging
Having a back-and-forth that turns into a full-blown make-out session because both of you are too lazy to just shut up.
They were arguing over who had to clean the kitchen, and then he just pulled her onto the couch.
She said he was being too loud. He said she was being too slow. They both ended up on the floor.
They were trying to agree on a price, and then she just kissed him right in the middle of it.