The term you use after cumming and then leaving your sexual partner without returning the favor. Otherwise known as "the tug 'n plug" "the squeeze 'n leave" "the cum 'n go"
"Hey girl what happened with you and Ryan last night? Did you guys get it on?"
"I had a great time! I kinda pulled the ol' ejaculate 'n evacuate move though. I didn't really feel like returning the favor"