Looking on the internet deeply has found these results:

kind of a slacker is the most popular phrase on the web.

kind of slacker 114,500 results on the web	kind of a slacker 1170,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Kind of adorable, in a kind of slacker way. Guerrilla means a bunch of slackers who are vulnerable and unreliable. Some kind of meeting with charlotte millwright. The kind of vehicle dignitaries or government agents use. Things are getting kind of serious. This kind of modern slavery is one of the most lucrative kinds of international organised crime. He suffered some kind of head injury. It seems like the whole complex was some kind of technological kind of factory.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

kind of slacker

114,500 results on the web

kind of a slacker

1170,000 results on the web

More popular!

Kind of adorable, in a kind of slacker way.
Guerrilla means a bunch of slackers who are vulnerable and unreliable.
Some kind of meeting with charlotte millwright.
The kind of vehicle dignitaries or government agents use.
Things are getting kind of serious.
This kind of modern slavery is one of the most lucrative kinds of international organised crime.
He suffered some kind of head injury.
It seems like the whole complex was some kind of technological kind of factory.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.