1.) to ejaculate
2.) an insult, like asshole or fart knock
3.) to have feces on one's penis after anal
4.) when the colon is connected to the urethra, causing the man to defecate from his penis
5.) to excrete out a man's penis
2.) lick my butthole you dickshit
3.) eww girl, you gave me a dickshit
examples 4 and 5 can be heard on the Vonal-Ksz demo "Diced Uterus in Rectal Slop"