According to my gf, they take your balls. Call it a feysectomy.

Omg, so cute. I totally want a mini little notebook like that

Also mi lukin e sitelen sina pi toki pona. ni li epiku!

mi lukin e ilo Toki la, mi sona e toki pona! nimi pi ilo Toki li pona tawa mi!

My best guess is that it originally was “fucking,” someone censored it to something like “hecking,” then someone else censored the censor back to “fucking”