Top Definition
1. The act of placing one's thumb against one's palm for the purpose of conveying scriptural truths to primary learners.

2. A particularly nasty racial slur.
"Acts 20:24; thumbback!"

"Ain't nothin' but a dirty thumbback!"
by DTB1963 July 02, 2013

Free Daily Email

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

Emails are sent from We'll never spam you.