Effavibe Share definition Flag A feeling that you can’t explain but want to last forever.Whatever you want it to meanWhen you go out of the box “He finally asked me out! I’m effavibing.”“That’s an effavibe” “That song is an effavibe. I feel it heavy”Effavibe it. You won’t regret it” Effavibe by K Smoot May 27, 2020 Get the Effavibe mug.