gramma-oke

N: a gramma who likes to go sing on kareoke machines

john: guess what
Mike: wat!?
my gramma sang kareoke last night at the local pub
mike: wow idk she was a gramma-oke

grandma-oke

when a grandma is doing karaoke in front of a group of people espically the grandkids

grandma-oke is when cool hip grandma is singing karaoke with her grandkids to modern music