The act of rapidy scrolling up and down web pages on an iPhone or iPod Touch using both thumbs simultaneously. When done correctly, it looks as if the two thumbs are little legs running in place.
"I hated scrolling through never-ending blogs on my iPhone since I got a cramp from all the thrumbing I had to do."
by SinDonor December 28, 2008
11 Words related to thrumbing

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.

×