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Verb: butt-dial (butt-dialled,butt-dialling, or [US] butt-dialed,butt-dialing)
  1. Accidentally call on a mobile phone while the phone is in a pocket
    "He was embarrassed when he realized he had butt-dialed his boss"

Derived forms: butt-dialing, butt-dials, butt-dialed

Encyclopedia: Butt-dial