'pull the wool over someone's eyes' definitions:

Definition of 'pull the wool over someone's eyes'

(from WordNet)
verb
Conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end; "He bamboozled his professors into thinking that he knew the subject well" [syn: bamboozle, snow, hoodwink, pull the wool over someone's eyes, lead by the nose, play false]