0 very informal language that is usually spoken rather than written, used especially by particular groups of people: --
"Chicken" is slang for someone who isn't very brave.
a slang expression
army slang
1 to attack with angry, uncontrolled language: --
2 very informal language that is used esp. in speech by particular groups of people and which sometimes includes words that are not polite: --
He uses a lot of slang terms that I simply don't understand.
There are so many slang words for 'drunk'.