When you have a bitch sucking your dick partially under water so that you can push her head down when she comes up for air. Then you gerj in her mouth while shes gasping for air.
Any instrument or tool used to stretch open a man's foreskin. Similar to a speculum. Usually for the purpose of smuggling drugs and other small objects. Sometimes for sexual gratification.
"Hey Mike, can you help me get this gruckle off my junk? I think I put in too much cocaine."