- In a neat strip his hair clung to his head from forehead to shoulders like a beaver tail of soft curls.
- Her cherry lips framed corn yellow teeth that rivaled a horse's.
Also describe someone in negative terms but add a positive twist.
- The wrinkled parchment of his face burst into life with his smile.
- Her fog of thinning hair glowed like dandelion fluff in the sun.
From #161 at Meredith Sue Willis Writing Exercises.