When a person (typically a girl) sticks her thumb up man's butthole and flips around his balls between her fingers.
"Ryan just told me that Sarah's flopsy giving abilities are unmatched!
লিখেছেন- IMW 5 de এপ্রিল de 2008
derived from the singer Ville Valo due to his curly hair and hat.A flopsy is always male and often has an arched back.
লিখেছেন- pokie_orna 18 de ডিসেম্বার de 2003
When a man and a women are about to have sex, but the man loses his erection when his penis contacts her vagina
"Man I was about to get some last night but I went flopsy."
লিখেছেন- Mcdrizzle 13 de ফেব্রুয়ারি de 2010