sharp-elbowed

adjective2

1. •
   Possessing narrow, bony, rather pointed elbows.

   • […] dire faces, figures dire, Sharp-knee'd, sharp-elbowed, and lean-ankled too — 1802
2. •
   (informal, figurative) Pushy; having a boldly assertive manner intended to establish an advantage.

   • sharp-elbowed parents