Breaking the Sound Barrier by SpaztiC829 on Mar 26, 2009 01:19:12 The act of inserting one's penis into someone's ear. Also referred to as ear-sex. Example: "Dude, last night I almost got caught while I was breaking the sound barrier with Alex!"
Break the round barrier by TMB on Jun 18, 2003 04:10:17 To finally break out a fart which has been rejecting entry to the atmosphere for a long time Example: "Ahhh, I just broke the round barrier"