To take care of head is to literally "take care" of your own personal head, specifically by usage of drugs.

Originally used in 1980 by the band The Toyes in the song Smoke Two Joints, the phrase became mainstream popularized when Sublime covered it in their album 40 Oz. to Heaven 16 years later.
"Hard work good, hard work fine, but first take care of head"
- The Toyes / Sublime, "Smoke Two Joints"
by discorobot August 7, 2007
Get the Take care of head mug.