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15.
A mixture of the words chill and relax
except it seems to be there two words multiplied so its a sort of extreme relaxing.
Can be used for when you are sitting in your garden on a summer evening with a beer listening to 'Time of the Season' by The Zombies.
Or if someone is having a major freaker and going ape shit at people you can tell them to chillax.
by Black_Rose_325 September 26, 2008
 
1.
A mixture between the terms "chill out" and "relax".
Dude, just chillax, just because it's not your birthday doesn't mean that you won't have fun in the monkey jamboree. I'm out like a decent hurricane, schlater.
by El_Scorcho September 03, 2003
 
2.
1. To chill and relax simultaneously.
2. To loosen or reduce the level of stress by employing a more relaxed and groovy outlook.

Origin: As employed by an older teenage sister (JCP) to her overly ebullient younger siblings (JEP) and (KSG).
Hey! You guys need to chillax or I'm telling mom!
by Ezra Corpse December 15, 2004
 
3.
To both chill and relax at the same time.
Dude, chillax! It's all good.
by Monkikuso December 17, 2002
 
4.
(verb)
When the two words 'chill' and 'relax' were combined a word was created: 'chillax'; a conjunction that, when used solely and didactically, can change the general mood or atmosphere of an entire room of people. 'Chillax' by itself is a powerful word, but is nothing in comparison to the sentence that was coined soon after: 'chillax to the MAX'. This sentence should be used with care as it has the power to COMPLETELY relax a room full of people.
Jen: OMG I havent revised for my EXAM OMG!
Dan: Jen....
Dan: Chillax
Jen: You're right Dan, exams are insignificant! Let's focus on our health and happiness and worry about petty bureaucracy another time.
by Jen D January 17, 2006
 
5.
A combination of the words "chill" and "relax". Used to tell someone to calm down.
Hey man, chillax, 'sall good.
by Super Dummy Face October 22, 2004
 
6.
A fusion, in equal parts, of chill and relax
chillax dude, I'll buy you another car.
by Sar November 21, 2004
 
7.
A combo of 'chill' and 'relax'. Possible one of the most try-hard words out there, very irritating too.
Normal Person: So what are you doing on Saturday?

Try-Hard: I'm gonna chillax
by i don't know my name August 15, 2007