She shrugged, popped her gum, straightened up with a little headflip.

In this case, the problem is easily solved by the same parentheses that ought to be used to prevent misnesting of arithmetic operations.

osiered banks

Goods Traffic Grades #:: Lad Porter #:: … #:: Step 2—Porter Grade 1, Goods Shunter Class 4, Shunt Horse Driver, Numbertaker, Traffic Timekeeper, etc. #:: …