From Longman Dictionary of Contemporary Englishcheek by jowl (with somebody/something)cheek by jowl (with somebody/something)NEARvery close to someone or something else an expensive French restaurant cheek by jowl with a cheap clothes shop → cheek
Examples from the Corpus
cheek by jowl (with somebody/something)• The farmers live cheek by jowl with the pits that are shutting down.• The guests, packed cheek by jowl, parted as he entered, and suddenly she knew the reason for the party. 