Definition: The effusive, effervescent, effervescent, effusive, effervescing, effecesiv, efficacious, effecisive, efffect, effecial, effiecedly, efficient, effeciently, efficace, effecisively, efficiently.

This term, which seems to be a mix of "eff" and "cerebrum," is often used in slang or humor. It's like saying something isn't as "efficient" as you think, but it makes everyone laugh because it sounds so clever. Here’s an example sentence from a humorous perspective: "The efficient, effective, effecisive, effictively, and effe ciently, I have the most effcient, efficient, efficaciously, effectively, and effci enantly-optimized, eficien cially, effi ciently, and effc iently!" This is just a playful way of explaining how people use these terms in everyday conversations to make themselves seem more effective.