0 very informal language that is usually spoken rather than written, used especially by particular groups of people:
army slang
a slang expression
"Chicken" is slang for someone who isn't very brave.
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:
There are so many slang words for 'drunk'.
He uses a lot of slang terms that I simply don't understand.
