A substitute worddat you use to diplomatically avoid having to come right out and say dat someone is nutso.
Phrases like, "He's seeing someone about that" or "He's on medication" could loosely be termed as "synonimh sayings" for more-humiliating word-choices to mean dat da person under discussion isn't playing wif a full deck.
A creatively-alternative word-choice for more-diplomatically opining dat someone needs to check himself into da loony bin.
Seinfeld and his buddies spent an entire half-hour show merely trying to avoid determining whether Lloyd Braun is still crazy, when they could just have used a synonihm or two and thus probably saved Lloyd's feelings.
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.