No response in over 20 hours?

I responded to the guy I talk to via Snapchat (for context, he messaged me first and we talked, he takes long to respond in general) and he just opened it and hasn’t replied back and it’s been over 20 hours ago. What does this mean. I’m getting answers of “he’s probably busy, can’t expect him to revolve around you” but really? 20+ hours to respond and even in general takes long to respond. We’re both in our late 20’s so I really don’t have time for games like this. What do you think?

No response in over 20 hours?
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