sales talk; sales pitch
Refers to the persuasive language and techniques used in sales situations, often with a slightly negative connotation of being slick or formulaic.
See also: 営業
I got carried away by his sales talk and ended up signing the contract.
New employees start by practicing their sales pitch.
Compound of 営業 (business, sales) and トーク (talk), a straightforward wasei-eigo term.