Asked him out, he didn't give a straight answer?

What does it mean when you ask a guy out and his reply is "I'll reply when you're sober'

obviously he thought my friend was drunk when she asked. regardless, if he didn't want to go out with her wouldn't he just say no (even if he thought she was drunk)?

in other words, does it mean that he would say yes, but he wants to make sure she's sober when he does?
Asked him out, he didn't give a straight answer?
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