A blonde bimbo

... the ditzy-looking hot blonde bimbo sitting in their living room.

"I mean, seriously boys! I am neither crazy nor dumb! I still got my two PhDs in Quantum Physics and Engineering!" it came in a high-pitched soprano voice.

Now both young men looked at each other.
"Are you thinking the same thing as I am?" Tim asked his room mate. The mentioned just nodded, then both looked at her.