Two people of the opposite sex which enjoy each others company in more than one way, and also enjoy the company of many others.
"I so saw that fat slag the other day with jimmy"
by gbum August 08, 2008
A cartoon strip in Viz comics conserning the adventures of Sharon and Tracy the archetypical townie girls
The falt slags come from Fulchester.
by black flag June 27, 2004