"Uhhh... Spiraly things. Like this." Beau raises her hands to her head, curling them to try demonstrating the ram-like spirals. It... Probably conveys they have horns. Not much besides that.

She makes a face as she does, realizing what it must look like - even without benefit of her own reflection to see, and adds, "don't make fun of me for explaining like this, got it? Even if you're a puddle, I'll find a way to punch you, somehow."