If you lean on someone or lean upon them, you depend on them for support and encouragement. She leaned on him to help her to solve her problems.

What does lean on you mean?

(lean on someone) to depend on someone. Everybody needs someone to lean on in times of trouble. Synonyms and related words. To depend on or trust someone or something.

What does lean on mean in slang?

Also: lean upon to depend on for advice, support, etc. informal to exert pressure on (someone), as by threats or intimidation.