2 minute noodle buddy
A '2 Minute noodle buddy' is a friend that is only your friend for 2 minutes, when they change their mind and find new friends, and then they come back around. It usually happens when they find a bf/gf, and they come back around when the relationship is over.
Person one: So, hows Kate?
Person two: I dunno, she's a 2 minute noodle buddy.
Person two: I dunno, she's a 2 minute noodle buddy.