Wiktionary
step on a rake
vb. 1 (context literally English) To step on the tine of a garden rake, causing the handle of the rake to rise from the ground rapidly, invariably striking the person walking in the face. 2 (context idiomatic figuratively English) To fall victim to a hazard.
Usage examples of "step on a rake".
Some guys step on a rake in the dark, and get mad and go punch somebody.
Others step on a rake in the dark, and fall down laughing at themselves.