Tam Time 

When someone is continuously late.

Oh she/he will be here in 30mins, they are running on Tam Time

Tam Time by Kungfumama August 27, 2017

Tam Time 

When your pal says he'll be 5 mins but takes 5 hours.

"Still waiting....Tam Time"

Tam Time by Zeroi13i January 16, 2020

Tim Tam Time 

The time to eat Tim Tam's

Created by Clive Palmer
often used in Clive Palmer's Memes

Boy:(Gets Home From School) Yo, Mum is it Tim Tam Time yet.
Mother: Not yet Honey

Tim Tam Time by XxX_LordPolarBear_XxX August 9, 2017