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!
viết bởi IMW 05 Tháng tư, 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.
viết bởi pokie_orna 18 Tháng mười hai, 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."
viết bởi Mcdrizzle 13 Tháng hai, 2010