Fart Balls Share definition Flag A mythical state of the balls that guys refer to when a girl is giving them head and they fart. TS. My wife was giving me head yesterday and I blew a nasty SBD. She questioned me about farting and I told her no that must be my smelly Fart Balls. Fart Balls by Jaehoal J. Owns December 23, 2011 Get the Fart Balls mug.