I Need a Cute Way to Express a Sentence Fragment by Example

 You are doubtless aware of William Safire's Rules for Writers which includes gems such as: "This verb no sentence."

I need something similar to convey the idea of sentence fragment.  (Yes, I just finished grading an otherwise good paper that was awash in sentence shrapnel.)

Best so far: "Writing this sentence fragment." "He came," was also interesting, but aside from, possibly coming from porn, it has a subject and a verb.