Definitions by FunkyMouseMan

ats us nai 

Belfast slang meaning "That's us now".

Used primarily after something has been accomplished.

Your dad is packing an entire shed's worth beach accessories into the boot of the car for a big trip to Portstewart during the summer holidays. He loads the last item into the back, turns to your mother and says, "ATS US NAI".

ats us nai by FunkyMouseMan November 15, 2019