cut oneself on
cut (oneself) on (something)
To cut or gash a part of one's body on some sharp object, especially accidentally. We came back early because Jeff cut himself on a shell at the beach. Tara cut herself on a shard of glass from the broken mirror.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
cut oneself on something
to slice one's flesh with something accidentally. Careful, you will cut yourself on that knife. Careful! Don't cut yourself on that broken glass.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.