Meaning

noun tastelessness by virtue of being cheap and vulgar

noun a projective technique using black-and-white pictures; subjects tell a story about each picture

verb make lacework by knotting or looping

originUnknown. Perhaps the same as etymology 1, above, or perhaps a back-formation from tatting. Attested since the 19th century.

Etymology from Wiktionary, CC BY-SA 3.0