spraybow

A rainbow that happens when you are watering your lawn.

Mark thought that spraybow he made looked cool.

spraybow by grolyle February 20, 2014

spraybomb 

To conceal or obscure an original paintjob by the hasty and often sloppy use of spray paint. Most often used on stolen items such as bicycles, etc.

"Bob makes extra cash by stealing bikes from campus, giving them the spraybomb treatment, and selling them on craigslist"

spraybomb by Juiceweez August 6, 2008