A deliberately provocative or inflammatory posting on Facebook, MySpace, or other social networking sites that has the sole intention of inciting an online argument. Such postings often dare others to repost or give them a "thumbs up" by challenging the viewer's patriotism, religious faith or sexuality.
This Facebook posting is total Thumb Chum: "Cannibalism is awesome! If you don't repost or like this, you are un-American, hate Baby Jesus and are gay!"
by Boggamemnon January 7, 2011
Get the Thumb Chum mug.When a cucumber that encases an opposable thumb, is shoved repeatedly, slowly, and with passion into an orifice of the body.
Evan and his dad love preforming the Tasmanian thumbcumber together, but coach krumplesack prefers to go at it alone.
by Jaredlipp1717 May 20, 2022
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Thumb Chum
• The Tasmanian thumbcumber
• thumb
• Thumb War
• thumb whore
• thumb print
• thumb toe
• thumb up
• Thumb sucker
• Thumb me
by pikachuphantom February 5, 2010
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