stepping razor
A dangerous person, who is not to be messed with.
I'm like a stepping razor / Don't you watch my size / I'm dangerous, dangerous
ADJ
open | blunt | cut-throat, disposable, electric, safety
VERB + RAZOR
cut sb/sth with, shave with, slash sb/sth with, use
My father shaves with a razor every morning before work.
be armed with
The attacker was armed with a razor and threatened everyone in the store.
RAZOR + NOUN
blade | wire
PREP
with a/the ~
She carefully trimmed the edges of the paper with a razor blade.