JAM-UP


Meaning of JAM-UP in English

I. ˈ ̷ ̷ˌ ̷ ̷ adjective

Etymology: probably from jam up, v.

: very good : first-rate : bang-up

after one course in psychology you turn out to be a whiz-bang, jam-up mind reader — J.S.Redding

II. noun

( -s )

Etymology: from jam up, v.

: jam II 1

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.