The letter is brimful of slangy vivid expressions.
a slangy expression; slangy speech.
This slangy word is falling off from English.
Don't use such slangy expressions in your essays.
Monty broke into slangy, rapid French, gesticulating and hopping from foot to peg-leg and back again.
with slang; in a slangy manner.
The play was full of slangy dialogue.
