1. A sect of Norse warriors who would fight with no armor and would continue fighting despite wounds or chance of victory.
2.Used to say some one has flipped a shit and done something rash with no self regard
sweet Jesus, jimmy went berserker on that salesman and ripped out his heart and ate it for courage
Women have entered the room, and it is time to stop talking about tits/ass/snatch/rooting/drinking etc.
Two blokes are standing around talking about the rack on the next door neighbour, when both their wives walk in. One spies them out of the corner of his eye and says quietly, "Ducks on the pond." Instantly, the subject is changed.