Klmat-aghnyh-sdam-yabw-aday -

Could it be a phrase where vowels are removed? klmat → without vowels? "klmt" — no.

Given the playful nature, I'll guess it's a after removing hyphens: klmataghnyhsdamyabwaday reversed = yadawbaymadsyhnyghatamlk — no. klmat-aghnyh-sdam-yabw-aday

This looks like a coded or scrambled phrase. Let me try to see if it's a simple substitution or rearrangement. Could it be a phrase where vowels are removed

"klmat" — maybe "format" with each letter shifted? k→f (-5), l→o (+3), not consistent. klmat-aghnyh-sdam-yabw-aday