Definitions for "Spiky"
Like a spike; spikelike.
Having a sharp point, or sharp points; furnished or armed with spikes.
Pertains to a coarse texturing of sound characterized by the presence of many rapidly recurring sharp clicks. Like the sound of tearing cloth, only crisper.
Keywords:  peaky, beefed, bass, pitched, absence
having or as if having especially high-pitched spots; "absence of peaky highs and beefed-up bass"