1 definition by Mcdrizzle

1

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."

by Mcdrizzle February 13, 2010

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• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request