What to say to my parents to embrass them ? :D?

my parents divorced 6 years ago, and 2 summers ago they started datting, ahah they cam home and ******, it happened again the other night.. and my mom cmes over helpin my bro with his hw, everyday. they think me and my sister are dumbfuckss! ahahaha i wanna say somethin to them.. i was thikin like "goodnight mom. goodnight dad. hope you two have more innnncredddibbbleee sex" ahaha any ideas ? :))