1 definition by juddthereasa

Top Definition
to attempt to give a high five, but miss and only hit each other's thumbs. It can be later modified to be two people purposely holding out a 'thumbs up' and hitting the sides of each others thumbs with a nerdy smile on their faces.
"Hey dude, High thumb!" *awkward, cheesy grin*
by juddthereasa June 16, 2009
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.