blank out
v 1: be unable to remember; "I'm drawing a blank"; "You are
blocking the name of your first wife!" [syn: {forget},
{block}, {blank out}, {draw a blank}] [ant: {call back},
{call up}, {recall}, {recollect}, {remember}, {retrieve},
{think}]
2: cut out, as for political reasons; "several line in the
report were blanked out"