english
1
general::
Phrase(s): meet up with someone or something to meet someone or something, usually by accident. • I met up with Don on the street yesterday. • James met up with a strange accident.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Encounter, especially by accident, as in We hadn't gone far along the trail when we met up with another mule train. [Colloquial; late 1800s]
American Heritage Idioms