Top Definition
Cycling term often used to describe badassery while biking.
This morning I jackblammered up the hill so fast on my bike that I nearly had a heart attack
by loiseaueslemot August 17, 2010

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×