HyperDic

English > 1 sense of the expression belt up:
VERBcommunicationbelt up, close up, clam up, dummy up, shut up, button up, be quiet, keep mumrefuse to talk / talk or stop talking / talking
English > belt up: 1 sense > verb 1, communication
Meaningrefuse to talk / talk or stop talking / talking; fall silent.
PatternSomebody ----s
Synonymsclose up, clam up, dummy up, shut up, button up, be quiet, keep mum
Oppositeopen uptalk / talk freely and without inhibition
Spanishcallar