#newword whipsaw, v. Be subject to opposing pressures at the same time; (Finance) fluctuate in price or level.

#newword Pele's Hair n. Volcanic glasses cooled into strands. (Pele is the Hawaiian goddess of volcanoes).

#newword hakapik, n. A club for killing seals.

cheval de frise, chevaux de frise, n. A defensive fence.

#newword tin pest, n. The non-metallic form of tin. In low temperatures, metallic (white) tin can spontaneously transform into grey tin, appearing to disintegrate into powder, as if blighted.

H/t www.explainxkcd.com/wiki/index.p...

#newword spurtle n. A Scottish rod-shaped kitchen tool, primarily used for stirring porridge.

[Alt text: a bunch of second-hand wooden dildos]

#newword toonie, n. A Canadian two-dollar coin.

[portmanteau of two + loonie - a one-dollar coin has a loon on it. A two-dollar coin has, of course, no loons]