gad1
  
  v.
 (gads, gadding, gadded)
 
(
gad about/around)
 
informal go from place to place in the pursuit of pleasure.
 
  Etymology
  ME: back-form. from obs. gadling ‘wanderer, vagabond’, (earlier) ‘companion’, of Gmc origin.
 
  
    
gad2
  
  exclam.
 archaic expressing surprise or emphatic assertion.
 
  Etymology
  C15: euphemistic alt. of God.