Ehud was the second Judge of Israel. He followed Othniel. He was a left handed man from the tribe of Benjamin. Israel was subjected to king Eglon of Moab at the time, for 18 years. The Israelites cried out to the Lord for help, and the Lord helped them by raising up Ehud. It was by Ehud the Israelites sent their tribute to Eglon.
Ehud made himself a double edged dagger a foot long and wore it under his clothes on his right thigh. He gave the tribute to Eglon, and then told Eglon that he had a message from God for him. The king had all the attendents leave the room and stood up to hear the message. Then Ehud drew the dagger from his right thigh with his left hand, and thrust it into Eglon's belly. Eglon was so overweight, the hilt went in after the blade, and the fat closed over the blade.
Ehud left the dagger in Eglon, and escaped back to Israel. Ehud then raised an army, attacked, and beat the Moabites. "Thus was Moab brought under the power of Israel at that time: and the land had rest for eighty years." (Judges 3:12-30)