I declare a thumb war is the phrase used when 2 people decide to have their thumbs go to war.
1,2,3,4, I declare a thumb war. 5,6,7,8, try to keep your thumb straight.
Actually, Shakespeare never used this specific phrase. If he had, the gramtically correct way to say it would be "I bite my thumb at thee!"
I will bite my thumb at them, which is disgrace to them if they bear it.
--Shakespeare (from Romeo and Juliet)
A term youtube users will submit in the comment section of a video of any song that is older than a year to let everybody know that because they listen to older music, they are special. As a result, people who feel the same give them thumbs up as was the original intention of the comment.
(Comment on a Queen music video) "Thumbs up if you're listening to this in 2011" 151 thumbs up.
The Medieval Middle finger.
Fuck off.
John: Your such a prick Erin.
Erin: I Bite my thumb at you *bites thumb in johns general direction*
John takes offense and stomps away.
It pretty much mean fuck you in lamens terms, or a different way to flip someone off back in the day
I bite my thumb at thee for being such a disgrace!
a guy's hand, as referred to when he uses it to make his special sauce.
Why go out rent a ho when you can make love to Mother Thumb and her four daughters for free?
means you the realest, everyone wants to be you