Top Definition
This is when Spring/Summer weather begins to start and people start to drive with there windows down, sunroofs open, tops down(convertible) or even drive motorcycles. They also like to have there music loud so that everyone can hear.
Hey, you see that car with its window's down and its system up?", "yea, what about it?". "They Summertime Swerving."
by JCR237 February 17, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.