1. the animal with the hole in it
2. to beat up/beat on someone
1. "Oh look it's a whale, the animal with the hole in it. There's only one!"
2. "Dad went upstairs to whale on his son. Not like 'Dad, upon seeing the bad report card, looked at his son who just happened to be in the room with him and whaled on him,' but no, Dad, apropos of nothing, went upstairs to the only room in which his son felt safe and just fucking whaled on him."
"I have to go to the gym to whale on my quads"