go overboard about

go off go off at a tangent go off at full score go off at half cock go off at half-cock go off at the nail go off half-cocked go off into go off into a doze go off into wild flights of fancy go off like a candle in a snuff go off like hot cakes

keep sb waiting keep sb well advised of keep score keep score on oneself keep secrecy about keep shady keep shop keep sight of keep silence keep silent