Main squeeze

[Sonia]

its the most inportant of your many girlfriends or boyfriends, its the you like the most

[Sarah]

The person who you have your primary romantic/sexual relationship with, although you also see others casually.

[Justin Bieber]

Ones boyfriend, girlfriend or spouse.

This humorous phrase dates back to the 1800s, when it referred to a powerful or important person. In the 1970s, it began to refer to romantic partners.

[Britney]

Out of all the people you could be chilling with theyre the one you always with. Number one on your list, theyre might be others but thats the one you always roll with.