blow one's cover



blow one's cover

Inadvertently give away one's secret identity, as in Mary came to the annual meeting pretending to be a shareholder and hoped no one would blow her cover . This expression uses blow in the sense of "expose or betray," a usage dating from Shakespeare's day.
See also: blow, cover

Common Names:

NameGenderPronouncedUsage
Toril-Norwegian
Timaios-Ancient Greek, Biblical Greek
Delphine['delfi:n]
NurgÜL-Turkish
Orval['ɔ:vəl]
Silvija-Croatian, Slovene