Trucker's Woman also contains a mysterious, random image of a pepperoni pizza lying on a wooden deck that appears for a single frame in the middle of a brake line checking scene, at 1:08:38 (or 1:00:51 in the RiffTrax version, which, based on the shorter runtime and lack of R-rated material, seems to be based on a television edit[5]). Due to the vignetting effect which was applied to it, it appears that the insertion of this frame was not accidental, but rather was an attempt to subliminally influence audiences to buy pizza (e.g. from drive-in theater concession stands

The mudflap girl is an iconic silhouette of a woman with an hourglass body shape, sitting, leaning back on her hands, with her hair being blown in the wind. The icon is typically found on mudflaps, clothing, and other items associated with trucking in the United States.[1] The image is sometimes also known as trucker girl, trucker lady, or seated lady.

This famous design was created in the 1970s by Bill Zinda of Wiz Enterprises in Long Beach, California, to promote his line of truck and auto accessories. It is variously claimed to be modeled on Leta Laroe, a famous exotic dancer at the time;[2][3] or on Rachel Ann Allen, a friend's wife, and mother of Ed Allen, the trademark's owner.[4]

The Mudflap Girl received a trademark registration from the United States Patent and Trademark Office in January of 2010.

As a parody, Wyoming Libraries use a mudflap girl holding a book, in an effort to attract readers.[6][7][8]
In issue #4 of the Dreamwave Productions comic Transformers: The War Within, Optimus Prime is portrayed as having a mudflap with the silhouette of Elita One.[9]
The Mudflap girl (as a chicken) was used in the Wacky Package "Perdude Chicken", parodying Perdue Farms.[10]
The feminist blog Feministing used as its logo an ironic version of the mudflap girl holding up her middle finger