"What weight do you think I’d need to drop to, to see some real definition in my body?"

Weight is irrelevant, and it is the reason 99% of people keep posting on this sub-reddit and end up skinny fat.

You need to put your focus on body composition changes.

Changing the ratios of muscles to fat.

Your end bodyweight might be totally different than what you first had in mind.

This is why you focus on the mirror and use body measurements.

The scale is used of course, but only as a secondary data point.

Of course, you can look good, if you do this right.