While having intercourse, the act pulling out right before ejaculating.
Dude: "So did you wrap it twice to be completely sure?"
Bro: "Nah that feels like 'I hate you', Sally and I are just sexiting."
"It felt so good I almost forgot to sexit."
Mother: "I don't want you to have a child, I hope she's on the pill."
Son: "No mom don't worry, were sexiting."