shoulder check

English

Verb

shoulder check (third-person singular simple present shoulder checks, present participle shoulder checking, simple past and past participle shoulder checked)

1. (intransitive, Canada, US) To look backwards over one's shoulder while driving or biking, before changing lanes or making a turn, to see if any vehicles are in one's blind spots.

Noun

shoulder check (plural shoulder checks)

1. (Canada, US) An instance of looking backwards over one's shoulder while driving or biking, before changing lanes or making a turn, to see if any vehicles are in one's blind spots.