looky loo - definition and synonyms

noun informal
  1.   From our crowdsourced Open Dictionary
    1
    a person who, out of curiosity, lingers around the scene of an accident, etc., or strives to get a look into the private property of others, especially celebrities

    In L.A. usually the lookyloos cause more accidents by not paying full attention to what is ahead of them.

    Submitted by Leonardo from Ireland on 12/03/2016
  2.   From our crowdsourced Open Dictionary
    2
    a person who seems interested in making a purchase, but whose actual intention is only to browse

    Lookie loos are people who often masquerade as buyers but have no real intention of ever buying.

    Submitted by Leonardo from Ireland on 12/03/2016