Riddle

I can be your best friend or your worst enemy. I can make you clean or filthy. You can ride on me, or I can glide on you. Sharp I am mean, dull I am cruel. What am I?

Choose an answer

A.A knife
B.Soap
C.A skateboard
D.A Razor.
Hint: It's a 2-word phrase with 6 letters, starting with "A".

Answer

A Razor.

Why this is the answer

Each contrasting clue fits a razor: it cleans (shaves) or cuts you, can be sharp (dangerous) or dull (painful to use), describing its dual nature.

This riddle is filed under Dirty, Family Riddles and rated Hard.