lappy

Etymology 1
Shortened forms.

Noun

 * 1)  A laptop computer.
 * 2)  A lapdance.
 * 3)  the lapwing.
 * 4)  A lapphund

Adjective

 * 1)  of 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.
 * 2) * 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 than the glass already in the pot or in the melting furnace in different stratas of different constituencies, consequently if this glass is rolled out [...] as a rule is very hard to manipulate with the diamonds for cutting, and if the lappy condition is very great the glass breaks[...]