salt (one) up v 1. to tell a different lie when covering up something. ("I lied to my boyfriend and said my friend and I were going to the movies. She tried to salt me up and say we were going to the library.") Submitted by D L Evans, Los Angeles, CA, USA, 14-11-1997.
SALT UP
Meaning of SALT UP in English
Slang English vocab. Английский сленговый словарь. 2012