ミミズ千匹 ミミズせんびき Also written ミミズ１０００匹 Meanings Noun thousand earthworms (as a description for a vagina that has many folds and provides extraordinary pleasure during intercourse) Kanji 千 thousand. Read as セン. 匹 animal counter. Read as ひき. Word lists Slang Jinuma: Japanese Dictionary · Word lists