Weightlifting?

I've been trying to do low reps, complex weight to build muscle. I've absolutely noticed an increase surrounded by strength and some muscle gain over the past 2 months, but should I be "breaking myself down" when I elevate weights...meaning start rotten with a glorious weight, do a set or two, lower the counterbalance, do a set or to, etc. until I've completely fatigued my muscles? will this help incorporate more definition?Weightlifting?
Doing drop-sets or "breaking yourself down" as you call it, is a correct way to gain muscle. But, it will not add on more definition, definition is gained through dieting. Eat verbs, eat profusely, and train hard and you will put on lean muscle mass while losing podginess and will become bigger and more defined.
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