A less obscene way of saying, "fuck that". An expression of laziness and lack of enthusiasm/interest to do what is asked.
by Dedguy August 2, 2009

alba: where's your key?
elizabeth: i lost it.
alba: that costs 70 dollars to replace!
elizabeth: that's balls!
elizabeth: i lost it.
alba: that costs 70 dollars to replace!
elizabeth: that's balls!
by elizabethandalba December 22, 2008

Big, soft, squishy, delicate, and important spherical-ish organs that hang a couple inches below a male's penis. They are kept in a nut sack to regulate the cooler temperature that they need to create sperm. If you hit them on a guy, it is very painful. Guys usually like it when girls feel them and rub them and suck on them.
by Bananaandbeans October 15, 2012

Teacher: "Alright kids, time for a pop quiz."
Billy: "BALLS!!!"
"Sarah's a terrible cook, her meatloaf tasted like balls"
Billy: "BALLS!!!"
"Sarah's a terrible cook, her meatloaf tasted like balls"
by J Rock May 13, 2005

Cork slang. Depending on the context means "Go on ahead"/"keep going" or "well spotted" Very much a northside version, so uttering this phrase while wearing a tracksuit adds gravity to your statement.
Chap one: "I say, would you care to indulge in a beverage with me?"
Chap two: "Nah, boy. I'm going out with the oul doll. Ball on."
Chap one: "Oh dear. There appears to be a group of drunken lingerie models in the corner who are attracted to men with buzzcuts and homemade indian ink tattoos over there!"
Chap two: "Wha?!? BALL ON!!!"
Chap two: "Nah, boy. I'm going out with the oul doll. Ball on."
Chap one: "Oh dear. There appears to be a group of drunken lingerie models in the corner who are attracted to men with buzzcuts and homemade indian ink tattoos over there!"
Chap two: "Wha?!? BALL ON!!!"
by Gaz Edmunds September 22, 2008
