The hip new way to indicate you are texting. Matter of fact; all the really cool kids now refer to texting as "thumbing."
Jenny and I were thumbing most of math class today.
(another correct usage would be)
Thumb ya later!
(another correct usage would be)
I will thumb you later.
(another correct usage would be)
Thumb ya later!
(another correct usage would be)
I will thumb you later.
by Cyprus Denton Fekks October 01, 2011

When fucking and you get brewers droop or can't manage anything more than a slack-on, one is required to 'thumb it in'
As seen on many porno's
As seen on many porno's
by Diamond Dave April 28, 2004

by dufa October 13, 2006

by jonathon willabarto demicree lindsense August 10, 2006

To hitchhike.
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by ZBreezy June 28, 2009

