Making unintended phone calls while fucking. Generally caused when someone leaves a cell phone on the bed, causing random buttons to be pressed during sex.

Similar to ass dial.
After fuck dialing girlfriends other boyfriend last night at 2am, he got a little pissed.
by busted! September 10, 2008
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When one unintentionally dials a phone call while fucking. It is similar to a butt dial. They can be especially amusing when the one dialing out leaves a voicemail of the exchange.
"Hey dude, I got a voicemail from you just after New Year's last night. Did you fuck dial me?"
by Mike2Matti January 2, 2012
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verb

the act of calling an ex in the middle of the first occurrence of sexual intercourse after your beak-up
Molly fuck dialed Joel last night. All he heard was screaming & moaning on the other end.
by mikaliksa July 24, 2014
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