A person of the male or female variety who throws extreme amounts of bullshit your way. This person is usually shady as fuck and should be avoided at all costs. This could range from your coworker who swears they didn't take your moms homemade lasagna out the break room refrigerator to that crack head crazy bitch you used to know in highschool.
That shady muckalucka Jessica is such a shit slinger; she's always on some bullshit.
That bitch LaQueeshah is a class A shitslinger. Everybody in this motherfuckin salon knows that weave ain't no real 100% human hair.
A male that slings long strands of semen when ejaculating.
Carl's new girlfriend was turned on by the copious amount of semen he unloaded on her. Never before had she gotten off with such a Rope Slinger. The strands were all across her face and neck.