sister's pants
(noun) 1. skinny jeans when wore by men. 2. pants so overly tappered and tight, they look like they were borrowed from your sister.
1. John completed his Emo look by wearing a pair of sister's pants. 2. "Man, look at that kid over there," exclaimed Derick as he pointed out a 20-something year old man wearing a pair of sausage-tight jeans, "how can those sister's pants be comfortable!"