cat boner happens when ur cat gets happy, and their tail gets straight, seemingly erect, similar to a human dick
I just came home and my cat got a major cat boner. I think he takes after me when i look at anime tiddies
by dedflatboi77 November 26, 2022

by TOW DOWN!!!!!!!!!!!!! May 10, 2023

by Shaggy_Surpeme February 5, 2019

The tightening of the urethral sphincter to prevent the flow of urine. Increased blood flow to the penis constricts the urethra so you don't piss yourself in your sleep.
by IamRob April 19, 2018

by GettinDickered March 15, 2019

by Bellend slap May 2, 2018

by Baller57 February 4, 2017
