群々 むらむら
muramura

To-Adverb

1. irresistibly; suddenly

Onomatopoeia
Usually Written in Kana
わたくしはむらむらとその ほん いたくなった。
watashiwa muramurato sono honga kaitaku natta
I was seized with the desire to buy the book.
Suru Verb

2. to be turned on; to be horny

Colloquial
「それよりそのカッコ・・・水着 みずぎ!?」「そうよ。イケてるでしょー!?ムラムラする〜?」
"soreyori sono kakko...mizugi!" "sōyo. ike terudeshō! muramura suru
"Never mind that, what's with that get up ... a swimming suit!?" "That's right. Sexy isn't it? Feeling horny?"
Other forms: