Bebra - it's a popular word that many Russian teenagers use. It means a lot of things. It can be used in negative way (d*ck, balls) and in positive way (crush, cutie). Bebrik also means something cute and small or funny.
Akin to "blue-balls", brains that have become blue are swelled up with potential.
A given engineering problem exists, and the user has all of the facilities to resolve the answers, but simply has not yet.
Due to the unrelenting desire to further ones area of expertise, the brain intrinsically reminds them to move closer to a point of final realization. Eventually a headache will persist until the user gives in to their own abilities and approaches the climax of conceptual completion.
"I'm working on a real-time non-blocking audio DSP chain that unfurls a system of nodes way faster than I could ever do it.
But I'm too lazy right now to get around to it. It's starting to ache, yet it's all within my control: I've got bluebrains."