meaning of tickle a bug
1. tickle a bug To cause a normally hidden bug to manifest itself through some known series of inputs or operations. "You can tickle the bug in the Paradise VGA cards highlight handling by trying to set bright yellow reverse video. " [Jargon File] tick-list features Acorn Computers Features in software or hardware that customers insist on but never use calculators in desktop TSRs and that sort of thing. The American equivalent would be "checklist features", but this jargon sense of the phrase has not been reported.