humper

listen to the pronunciation of humper
English - Turkish
(Argo) (argo) Cinsel ilişkide arkada bulunan
English - English
Nickname for a woman who is sexually active to the extreme; who possesses an agressive sexual history and is actively seeking multiple partners at any given moment (a horny humper)

Yumi's friends simply referred to her as humper whenever her name came up in a conversation.