Your hairline is so far back it looks like it got smacked up by Will Smith.
Will Smith Slapped Hairline
Categories
Explanation
Experiment
Explain Bear
Listen up, buttercup. This joke is saying the person's hairline is receding so far back that it's as if Will Smith slapped it into oblivion. You know, because Will Smith slapped Chris Rock at the Oscars? Making sense? Good.