Slanguists are experts in studying and analyzing slang language.

Her speech was full of slangish expressions.

I found a bunch of slangrills in the backyard.

He spoke in a slangless manner.

He talks slangwise all the time.

Her speech had a certain slangishness that made it entertaining.

The slangsters gathered at the local hangout spot.

He spoke slangishly, using words that only his friends understood.

He talks slangly all the time.

He spoke in a slangly manner.