Gert refers to masculine women of a certain age that have a penchant for utility tools and sensible, practicle accessories. Originally adopted from Gertrude Stein, best-selling feminist and lesbian literature guru.
Gerts will often come and rescue you when you are in danger and have a habit of commandeering situations while wagging their meter ruler.
Can also be used as a verb. To Gert of somewhere.
"The lovely Gert came in her camper van."
"Wear a sensible Gert shirt to your interview"
"Be a pragmatic Gert and take a rex hunt fishing tool"