In hindsight, my previous comment deserves to have been downvoted. Looking at it now, I really wonder what I was thinking. That sounds like somebody threatened to shoot past-me if he doesn't explain the joke and typed the first guess that came into his mind.
Edit: "Tulta" is indeed Finnish word for (command to) "fire" and I'm just tiny bit upset about how they pronounce it in the Girls und Panzer movie but they do rather fine job considering it has "L" in it.
Pravda Tank defeated! Mika we did it! Huh? Mika? Ouch Tultafinnish language for 'fire'My leg cramped
Pun between tulta and tsutta