Define Diamond Stud Meaning

Diamond Stud

Shirt and tie, and eyeliner sharp enough to kill a man. She's a diamond stud.
By Nelly
Diamond-studded Cactus
An item that is painful to start with, became even more painful.
Normally thrown into a sentence as a threat.

Guy: Hey babe, how about you and I--
Girl: Touch me or even finish that sentence and I will fuck you with a Diamond-studded cactus.
By Madeleine