While popularly used as the term for approval (thumb's down for disapproval ) Not many know that in rap or in Fighting word's thumb's up means safety off due to the motion of taking the safety off is putting your thumb's up.
by AllFatherOfFighting October 21, 2018
Get the Thumb's upmug. A sexual intercourse position in which a thumb is pressed into the vagina with as much pressure possible.
by anonymous May 20, 2021
Get the Kentucky Thumbmug. Book thumb is from holding open a book with your thumb and index finger for long periods of time, causing pain in your thumb muscle.
by blueberrypancak September 2, 2013
Get the Book Thumbmug. A person that idly scrolls through social media on a mobile device, often without even paying attention to the content. In extreme cases hours can be lost in this state. Interaction of any kind is impossible, one must wait for either a wifi drop out or battery low warning before engaging.
by Jcerrino December 23, 2016
Get the thumb zombiemug. by Xboxer September 25, 2010
Get the Thumb padmug. by Oyeboman May 14, 2011
Get the Thumb Bombingmug. Shark Thumb.
The sexual act of placing you little finger (pinky) inside your partners anus (butt), while keeping all other fingers tucked in except the thumb that will stand proud and looks like a shark fin just slightly cresting the bottom of your partners posterior (butt) as they lay on their front.
The sexual act of placing you little finger (pinky) inside your partners anus (butt), while keeping all other fingers tucked in except the thumb that will stand proud and looks like a shark fin just slightly cresting the bottom of your partners posterior (butt) as they lay on their front.
During foreplay Sam Shark Thumb'ed meredith last night, meredith giggled as she looked over her shoulder and saw the shark fin (Sam's thumb).
by Samqwell December 30, 2019
Get the shark thumbmug.