Ho is to hoe as to
slut is to sickle.
A slut is a promiscuous woman, and a sickle is a promiscuous tool. And a promiscuous tool has a negative connotation to being a whoring tool. A whoring tool is a slut. In essence, a sickle is a slut.
Farmer: "Go over there and get me that money weed, sickle."
Harvest Elf: "Okay, B. Daddy.."