In researching (ahem, yeah, I call my surfing research) an entry on Image Macros, I came across a category of phrases that use the format: "I'm in Your X, Y'ing Your Z." It turns out that such formatted phrases have a name, snowclones, and a rich history.
Here's how Wikipedia describes snowclones:
A snowclone or catch structure is a type of formula-based clichÃ© which uses an old idiom in a new context. It was originally defined as "a multi-use, customizable, instantly recognizable, time-worn,... READ ON