Wiktionary
drunk dial
vb. (context transitive or intransitive English) To make a telephone call in an inebriated state against better judgement, typically to a close or former friend.
Wikipedia
(This Ain't No) Drunk Dial
"(This Ain't No) Drunk Dial" is a song by American country music group A Thousand Horses. It is their second single from their album Southernality.