Tigga tigga tahnah

This morning Colin and I were driving to work/preschool and I said "aww man I forgot my sunglasses!" Colin sat quiet in the back for a second and then said "Tigga tigga tahnah Mommy!" I had no idea what the heck he was talking about and I said "tigga tigga tahnah? what is that?" He tells me "Tigga tigga tahnah, it means no worries." I said "OH, you mean hakuna matata?" and he got all excited and said "yea, tigga tigga tahnah!" LOL His cuteness totally made my day. :)