by JPetto19 December 12, 2023
by KcnDave September 8, 2023
by Jynjer March 28, 2017
by Thisisntmyrsalname1 September 17, 2022
When you are hitting it from behind and have your thumb in her butt at the same time. Thumb-butting it.
by Blibicer November 26, 2017
keeping a tad bit of cum/semean in between your pointer finger and thumb to wipe on someone/something later in day
“bro i wiped a thumb slug on brad after he called me a dick today”
“dave mad fun of me yesterday so i’m going to cum thumb slug him today”
“dave mad fun of me yesterday so i’m going to cum thumb slug him today”
by D the P slayer August 19, 2021
by Biggaybear April 2, 2013