What does buff mean?

Question:i was talking to one of myfriends and i asked him if he wanted to hang out and he asked me what we would do and i was like what do you think we would do then he was like i dont know buff... and i have no idea what that means

Answers:
• noun 1 a yellowish-beige colour. 2 a dull yellow leather with a velvety surface.

• verb 1 polish. 2 give (leather) a velvety finish.

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