a rise in pitch at the end usually of a declarative sentence, especially if habitual: often represented in writing by a question mark as in Hi, I'm here to read the meter?
Origin of uptalk
First recorded in 1990–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a style of speech in which every sentence ends with a rising tone, as if the speaker is always asking a question
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012