The **government employee insurance company gecko sexual intercourse**, more commonly known as **gex**, is an intercourse that involves the stimulation of the penis of the gecko mascot of the Government Employee Insurance Company (GEICO), namely Martin, into any animal vagina. This stimulation can not only be vaginal, but also be anal or oral, which means gex can also apply to Martin’s penis being stimulated through the mouth or the anus of any female animal. Gex usually ends with the insemination of Martin’s penis.