Anger brought on for no environmental or emotional reason, but instead arbitrarily from an excess of androgen in the body. Terms as such because it is often exitbited by those who use steroids incorrectly.
Testosterone naturally feeds the territorial pride instinct in man (both men and women), so roid rage is most likely just nature misguiding an individual to attack when there is no stake to claim or preserve.
When Bill toyed around with intramuscular testosterone abuse, it made him feel like a god, but caused him to lose his girlfriend after he hit her during a fit of roid rage.
To insult one's own work or abilities before presenting them as to soften the blow of possible rejection.
Takes the form of "Well, it's not very good, but..." or the like.
Comes from the old southern tradition of playing down one's food cooked for friends or family. "The dough didn't rise how I was hoping..." etc.
Sarah went to the front of the class to give her speech.
"Ok." She said, "but just know I was up late last night and I don't think I'll be very good at the assignment today."
"Please don't southern-biscuit, Sarah." Replied her teacher. "I'm sure you'll do fine."