grudge fuck example 1: delta goodrem bono  grudge fuck example 2: your ex-girlfriend’s really hot sister your boss’ husband
either:  1: fucking someone who you really dislike but would like to punish through sexual intercourse (often a celebrity and often in an aggressive manner)
"grudge fuck example 1: delta goodrem bono  grudge fuck example 2: your ex-girlfriend’s really hot sister your boss’ husband" What is the definition of "grudge fuck"?