KIF. OK this is going to come across as a little in-jokey. But back in the day, in parts of the East and South of Joburg, a “Toilet” was someone, normally with low self-esteem, who was regarded by most as a kak dodgy oke. So when we saw this little gem, we knew it was kif. Finally, discrimination against “Toilets”.
KAK. If you actually need a kak, though.