saddlebag
US /ˈsæd.əl.bæɡ/
UK /ˈsæd.əl.bæɡ/

1.
2.
a deposit of fat on the upper part of a person's thigh, especially on a woman's
:
•
She was self-conscious about the saddlebags on her thighs.
•
Many people try to reduce saddlebags through exercise and diet.