lappyEtymologyShortened forms + -y.nounA laptop computer.A lapdance.the lapwing.A lapphundadjof glass, having strata due to the pour being inconsistent, of molten glass having such an inconsistency, generally due to returned lumps of glass still being at different temperatures.“1912 Western Glass Co. v. Schmertz Wire-Glass Co. & Mississippi Wire Glass Co, US 7th Circuit Court of Appeals, Defendant's Evidence, Deposition of Clement J. Jungers, reproduced in Supreme Court of the United States, October Term AD 1915 No. 752, Western Glass Co. v. Schmertz Wire-Glass Co. & Mississippi Wire Glass Co. On petition for a writ of certiorari, page 216. Lappy glass means nothing else”