To be sexually molested by your male room mate while sleeping or napping. Especially to unwillingly have your salad tossed while sleeping.
Sam: Hey man I think some one spiked my drink and tossed my salad when I was passed out.
Steve: The only one home last night was Kachew...
Sam: Oh my god, that explains everything! I got kachewed again!!!
Steve: Damn I'm jealous!