those shits that take foreverrr to wipe.
Present-tense usuage:
me *thinking* "damn, i've been in here for over 10 minutes. this is a forever-wipe!"
Past-tense usage:
friend "yo bro were you just jerking off in my bathroom"
me "nah man, i took a shit it was a forever-wipe."
friend "you better get your ass to the store and buy me some toilet paper"