"Yappingsession" is an expression used for caracterising a speech, talk, or a class that results in annoyance or even sleep, if the subject is as uninteresting as the person speaking.
Student 1: That was the biggest yapping session I've ever heard.
Student 2: Fr! I wasn't paying attention at all!
Student 3: Our Biology teacher loves yapping, even the smartest guy fell asleep.
Student 4 (a.k.a. the smartest guy in the A class of 11th grade and still asleep): What was the subject?
When a bunch of dudes run a train on some hot slut, each nutting inside her. Usually, satisfies a woman's need to be filled up, and reminds her that she is a good little fuck hole
Trixie was a little down now that her friends were all getting married and having kids, so at a party she gathered a bunch of guys to have a breeding session. When word got around every dude at the party was having a go at nutting inside her tight pussy