nāng chuài
soft, fat meat of pig's belly
sow's sagging teats; weakling; flabby person; also written 囊膪
囊
nāng
used in 囊膪[nang1 chuai4] and 囊揣[nang1 chuai4]
揣
chuài
used in 囊揣[nang1 chuai4]