Meaning

verb spread birdlime on branches to catch birds

verb cover with lime so as to induce growth

originThe word is associated with sitting under a lime tree, or having nothing more demanding to do than squeezing limes. It is also thought to originate from "limey", a slang term meaning a British serviceman in Trinidad and Tobago during World War II (noted for hanging around bars and drinking). The term has since been adopted by other countries in the English-speaking Caribbean.

Etymology from Wiktionary, CC BY-SA 3.0