toke cork
v.β Β«My friends were “toking cork” (local parlance for casual, somewhat nonsensical conversations).Β» βββLINKINβg Up At The βPARKβdang” by Irwin Yelo CrapGalore (Singapore) June 23, 2004. (source: Double-Tongued Dictionary)
it should be “talk(ing) cock”, from the official Coxford Singlish Dictionary. It is also used when rubbishing what somebody said.(talkingcock.com)
e.g. “You only talk cock, never do any work!”