Furspeech

Furgot (verb): Slang alteration of the word, "forgot". This is an example of Furspeech (q.v.)

Source: wiktionary

When you're a Newfur looking up meanings to furspeech

Source: wiktionary

Furspeech itself is a constructed language, meaning that its phonology, grammar and vocabulary were invented as works of fiction as opposed to emanating naturally. While this type of language isn't typically used throughout everyday life, it has become increasingly popular through different online communities — in this case, the furry fandom.

Source: wiktionary