@Rojoguerrilla
"the words contain currencies" - page 10
US Dollar + idol (ドル in アイドル)
Japanese Yen + engine (エン in エンジン)
Korean Won + wombat (ウォン in ウォンバット)
@Metroxylon
It comes from pantsu (panties/underpants). Since in German you pronounce the "Z" as a "ts", Panzer sounds like pants-er.
So that became a Japanese slang (パンツァー) for a true pantsu connoisseur.