Top definition
1.The condition of greater thumb strength caused by excessive texting.
2.An exercise video used to stimulate thumb strength.
2.An exercise video used to stimulate thumb strength.
"I have been texting so much I have Thumbs of Steel"
"I know, you almost broke the controller during our last XBOX session"
"I know, you almost broke the controller during our last XBOX session"
by Mike Corning November 18, 2008