Top Definition
The rating system used to judge if someone is or isn't fuckable.
When someone is sexually interested in somebody else the fuckfactor comes into play.
by jpg3 November 21, 2011
1 more definition
A magical number that when added to, subtracted from, or mutiplied or divided by any amount always increases the amount that a person is required to pay for a product or service.
I called the water company today to figure out why my bill had gone up. The rep told me to take my normal usage and multiply it by the fuck factor to determine my new rate.
by wyldwillie September 04, 2013

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