When you try to hold in a fart, but it slips and rolls into your taint before exploding.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

When you're so enraged by your significant other that you decide to jump-dive into the air with your legs hoisted back behind your ears like a Tyson chicken, leading with your now-weaponized taint, impacting the upper region/face of your opposition with maximum force. Traditionally, one may threaten the taint bomb on several occasions until such a time that it is deployed.