Surprising your other half by hiding behind an obstacle only to jump out from behind it revealing you are completely naked shouting the phrase 'sexgoblin'. Intercourse guaranteed.
Sleeping with someone in order to make your partner break up with you. Usually a last-ditch effort to end the relationship.
David: Do you really want to to leave Jason for Michael, or were you just sexgoating?
Philip: Totally sexgoating.
David: You need to learn to be more direct.