flagging

That secret intoxication of pleasure, with all those transient flushings of guilt and joy, which the poet represents in our first parents upon their eating the forbidden fruit, to those flaggings of spirit, damps of sorrow, and mutual accusations which succeed it […]

Because older TVs are not able to respond quickly enough to the horizontal time-base errors introduced from the VCR, a VCR connected to an older TV may cause severe bending or flagging at the top of the picture yet appear to operate normally on a newer TV set.