Whatever the intent be, it often looks ridiculous to me and I have to resist the urge to correct the speaker (usually Mendicant).
I understand what you mean to do, and I've got nothing against it. Heck, I've used some Russian for some of my RP stuff, and I probably botched it at least as bad.
Meant to do and actually... the only rp I did in aurvandil was my account deletion rp