Ok so this guy told this to my best friend and she doesnt know what it means?

i have this best friend thats from venezuela and he told her ola gorda but i remember that in venezuela that meant something different because my dad is venezuelan but i jsut cant remember what it meant. and sorry i cant translate it, becuase if i do it'll will mean something diiferent. so please all of u venezuelans or that know what it means in venezuelan please help me.