Definitions by Mcbreezay.

reakin havoc 

Causing problems, or chaos.
Being insubordinate, whying/ wilding out. Acting out of character.

Trevon and Luke were reakin havoc this weekend, at the fair, now they're locked up.

reakin havoc by Mcbreezay. June 29, 2008

reaking havoc 

Causing chaos.
Being insubordinate, troublesome, whyling out.

A few of Pauls friends are going to the movies and reaking havoc.

reaking havoc by Mcbreezay. June 29, 2008