A California Steam Roller is when you hold in a crap for a long period of time than crap in out and smother yourself in it. Afterwards you must roll over a girl until she is also covered in poop.

If you want you can shove a Twinkie up her butt.
California Steam Rollers are fun but smelly.

"Did you remember the Twinkie Tonight?"
"Why are we gonna California Steam Roll?"
by TrevorSeanKai April 12, 2010
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