obligation move
When you show off your junk during a date and the girl feels like she has to let you take your cum inside her. It works best when you're young. Do it when you're old and you might get locked up with the creepy guys.
He took out his penis and I had to take his cum in my mouth. Typical obligation move.
She had to let me take my cum in her butt because I wouldn't stop showing off my junk.
He did the obligation move and I had to eat his cum like I was in the army.