Dacvease
A word that can jump on any other word and make it look like it's doing something important, even if it's just sitting there.
Math + Dacvease = Mathvease. Mathvease is when you're bad at math but you say you're a mathvease pro.
Computer + Dacvease = Computvease. Computvease is when your computer is broken but you say it's a computvease masterpiece.
Devious + Dacvease = Dacvevious. Dacvevious is when you're just being a little sneaky but you say you're a dacvevious genius.