jam up

See also: jam-up

English

Verb

jam up (third-person singular simple present jams up, present participle jamming up, simple past and past participle jammed up)

1. (transitive) To cause (something) to become blocked or clogged; to clog up.
2. (intransitive) To become blocked or clogged.

   The traffic jammed up on the boulevard.

Derived terms

• jammed up
• jam-up