A girl that has too much energy and is able to throw a fucking party, not the most intelligent.
For some unknown reason, she is sensitive to ticketing all over her body and you can literally paralyze her.
Yam is also a high spirited person that loves the 60's and 80's, she likes a weird-ass singer named "Alon Eder" who is probably a part of the illuminate.
Yam will usually be a blue-haired Bi-Sexual girl who likes little black dogs.
Real-life example:
Random person: "Yam what do you say about drinking and driving"
Yam: "FUCK YEAH"