When an entity (person) desires to express numbed excitement or affection towards a word, they may append a few letters to the end of the word corresponding to the beginning of the reverse spelling of the original word.
Sometimes the last letter is repeated, usually when appended to animal names.
"Do you like Doggos?"
"Saying 'dog' is enough, why would you even? Tipp's Axiom is stupid, just stop"
"But i like Doggos"
"Whatever i like kittis"
"Well you dumbmu"
"Wtft"
"Lolol"
"Ok this is getting ridiculous please leave"
"ridiculousSOULuci"
"oh god what have i done"