Sexpology: To apologize in the form of sex instead of a formal "I'm sorry... Forgive me" apology.

Sexpologies are most commonly used when dealing with ex-boyfriends and/or ex-girlfriends. Sometimes you've apologized so many times there just isn't anything else to do except give them a nice, big sexpology.
Jim: "Hey man, your girlfriend every forgive you for not coming home until really late again this weekend?"

Eric: "Yeah... I just gave her an all night sexpology and promised never to stay out late without calling her first again. We're golden."
by Sally Slam 'n Scram June 6, 2011
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