A makeshift cannon for shooting potatoes, usually made from PVC pipe. The two major varieties are pneumatic guns, which rely on compressed air, and combustion guns, in which a flammable chemical such as hair spray is ignited.
Guy at the hardware store: "I love shooting spud guns, just be careful not to blow a hole through your liver".
by puffy October 20, 2004

by lalicious November 13, 2006

by SATAN'S INFIDEL April 4, 2017

by Curt Crawford October 12, 2004

The the sex liquid produced from masterbating before full puberty is reached. The resulting liquid isn't thick and creamy like normal spunk but thin and pale like the water you peeled your potatoes in. Pronounced: Spud Watta.
Bloke 1: "Do you remember when you first started wanking?'
Bloke 2: "Yeah, all that came out at the end was some milky piss!"
Bloke 1: "You know that's called Spud Watta don't you?!"
Bloke 2: "HA HA, No, never heard of that before, that's well fucking funny! HA HA!"
Bloke 1: "I know, HA HA!"
"Paul was trying out wanking for the first time but all he could produce was spud water"
Bloke 2: "Yeah, all that came out at the end was some milky piss!"
Bloke 1: "You know that's called Spud Watta don't you?!"
Bloke 2: "HA HA, No, never heard of that before, that's well fucking funny! HA HA!"
Bloke 1: "I know, HA HA!"
"Paul was trying out wanking for the first time but all he could produce was spud water"
by Industrial Grit November 7, 2013

The sexual act or interest of inserting or harboring potatoes or similiar root crops inside one’s rectal cavity, often for an extended period.
My friend Emily got really into mud-spudding.
My roommate has a mud-spudding kink, so now we never have groceries to make mashed potatoes.
Now that we’ve been dating for a few months, I think we should try mud-spudding
Rhett can’t go on a bike ride today, because he’s mud-spudding.
My roommate has a mud-spudding kink, so now we never have groceries to make mashed potatoes.
Now that we’ve been dating for a few months, I think we should try mud-spudding
Rhett can’t go on a bike ride today, because he’s mud-spudding.
by Thahash March 3, 2019

Having sex inside of a giant potato/model of a potato.
First said by Irish YouTuber jacksepticeye in his Minecraft video titled, "I Built an UNLIMITED XP Farm In Minecraft - Part 30".
First said by Irish YouTuber jacksepticeye in his Minecraft video titled, "I Built an UNLIMITED XP Farm In Minecraft - Part 30".
by yourfriendlyirishpotato July 20, 2020
