cast job
You wraps linen around your dick and glue it together to make a makeshift dick cast when you're hard. Someone then jerks you off with the cast on for safety.
Guy 1: Yo, last night my gf gave me a cast job
Guy 2: Awesome! How'd you get it off?
Guy 1: She sucked the glue off.
Guy 2: Awesome! How'd you get it off?
Guy 1: She sucked the glue off.