head full of zombie 

You are very intoxicated from a very large quantity of marijuana.

"On a hippie trail head full of zombie,"
-Men at work

head full of zombie by Locoweed415 November 2, 2013

head full of lettuce 

Having a head full of lettuce - to be extremely stoned.

"Dale, you can't smoke up before you shift!"

"It's cool, nothing makes me enjoy physical labor more than head full of lettuce."

head full of lettuce by comeonbabylightmyfire April 9, 2013

head full of snakes 

Crazy. Full of issues or other baggage.

Dude, I'd hit that if she didn't have a head full of snakes.

head full of snakes by AdamWozniak September 18, 2007

head full of playdo 

simple minded, foolish, absolute cluster fuck, a person who cant or wont get out of their own way let alone everyone eases, a real nascence someone who believes every far fetched rumor and conspiracy theory with out any facts to back it up . very childish also known for avoiding responsibility's or just pushing them off on others

don't listen to that jackass he's got a head full of playdo

head full of playdo by neigan February 11, 2018

head full of pimms 

In refrence to the drink: Cool, refreshing, stylish and a little bit fruity.

"That guy has a head full of pimms"

head full of pimms by guruwax April 3, 2007

Head full of smurfs 

When you have too much going on, and you are feeling overwhelmed, you are said to have a "head full of Smurfs"

Fred was juggling multiple priorities, he was so overwhelmed that he couldn't make a decision, his excuse was "sorry, I have a head full of smurfs at the moment"

Head full of smurfs by Roving Jay October 18, 2011

head full of pimms 

bit sketchy on detail, more concerned with rowing, placing jumpers over the shoulders and pimms than the real world

Smythers "head full of pimms"

head full of pimms by Sgwbelfast April 3, 2007