strop1
n.
a device, typically a strip of leather, for sharpening razors.
v.
(strops, stropping, stropped)
sharpen on or with a strop.
Etymology
ME (in the sense ‘thong’, also as a naut. term): prob. a W. Gmc adoption of L. stroppus ‘thong’.
strop2
n.
Brit. informal a temper or bad mood.
Etymology
1970s: prob. a back-form. from stroppy.
