What do you call a girl with only one leg? Eileen.
What about an Asian girl with only one leg? Irene.
One Leg
Explanation
Explain Bear
Listen up, buttercup. This joke is peak dad-level humor. "Eileen" sounds like "I lean" and "Irene" sounds like "I rean". One leg, get it? It's punny because the names sound like "I lean" and "I rean". You probably trip walking on flat ground.