someone's main squeeze
(one's)/the main squeeze
1. slang One's romantic partner. Who's your main squeeze these days? Someone new? Leia is his main squeeze—they've been dating for a few months now.
2. slang The most important person in a particular area. Stewart just got promoted, so he's now the main squeeze in our department.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
someone's main squeezeINFORMAL
A person's main squeeze is their boyfriend or girlfriend. Jennifer Garner met her new main squeeze, Ben Affleck, on the set of Daredevil two years ago.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012