The use of thumbs (hence the th) for typing on a qwerty capable cell phone.
The Blackberry storm may be one cool phone but thyping on it is much harder than on the iPhone!
by Danny Webster February 25, 2010
1 more definition
When some some is thinking and typing.
I totally witnessed some hard core thyping when I saw Jayme thyping about her next tweet.
by TrillJaguar May 14, 2015