The highest mountain in the Karakoram range, on the border between Pakistan and China. It is the second-highest peak in the world, rising to 8,611 m (28,250 ft). It was discovered in 1856 and named K2 because it was the second peak to be surveyed in the Karakoram range. It was also formerly known as Mount Godwin-Austen after Col. H. H. Godwin-Austen, who first surveyed it.Also called Dapsang
nounmass noun informal
A type of synthetic cannabis.
- ‘a friend told police that the victim was high on K2’
Early 21st century origin unknown.