An undesirable girl who becomes more desirable as more and more alchohol is consumed. Generally an overweight or ugly girl.
by liquidassnotice May 25, 2007

by dispatchfan09 February 09, 2008

"That drunken ginger man staggering in the road wearing a celtic top, eating a fried mars bar is obviously a swetty. Shall we run him over?"
by Dr Fox May 23, 2007

Swetty Betty is where you roll up toilet roll and wet it so its like all "swetty" and throw it at a wall so it sticks.
by Ethan Harman like men October 03, 2009
