Larsa Pippen says she was in super stealth mode in the early days of her relationship with Marcus Jordan ... admitting she gave her boyfriend an alias in her phone to keep people from finding out about their budding romance.
The 48-year-old reality TV star revealed the sneaky tactic in the couple's new podcast, "Separation Anxiety" ... saying she initially couldn't risk having people find out what was going on behind the scenes.
"I could never really put you under your name in my phone," Pippen said. "So I had you under Marc Jacob.