pocket dialmainly US informal
butt-dial
noun[ C ]
USinformaluk /ˈbʌtˌdaɪ.əl/ us /ˈbʌtˌdaɪ.əl/
a phone call that someone makes unintentionally by sitting or pressing on their phone while it is in their pocket: （手机放在口袋里时不小心碰到而）误拨的电话
Sorry, I didn't mean to call you - it was a butt-dial.对不起，我不是要给你打电话——是不小心碰到误拨的。

SMART Vocabulary: related words and phrases

Communications - by telephone
0800 number
3G
4G
5G
access code
aeroplane mode
airplane mode
area code
buzz
caller ID
Directory Enquiries
ISDN
patch someone through
phone in
phone mast
pick
pick someone/something up
speakerphone
telephone
unlisted

Synonym