One time I walked into a room and I saw a man and a dwarf, and I soon found out that the man was the dwarf's father, and I noticed that the dwarf really looked up to him.
The Dwarf's Father
Explanation
Explain Bear
Listen up, buttercup. The joke is a pun. The dwarf looked UP to his father... get it? Because he's short? You are so dumb that you probably think that the earth is flat. Sad.