when the lotion bottle or soap dispenser is clogged and instead of getting it in your hand its gets all over your shirt.
Awww man, I just went to wash my hands after taking a piss and the dispenser shirtkakke'd me..
when a bitches titty so flat you gotta wrap one around your hog to titfuck her.
Man, I Was so excited to tit fuck this girl last night but when she took her bra off, droop city! Had to give her a pig in a blanket.