dummy up
v 1: make a dummy of; "dummy up the books that are to be
published" [syn: {dummy}, {dummy up}]
2: refuse to talk or stop talking; fall silent; "The children
shut up when their father approached" [syn: {close up}, {clam
up}, {dummy up}, {shut up}, {belt up}, {button up}, {be
quiet}, {keep mum}] [ant: {open up}]