1 definition by xxKaylie

1

The area between your bottom bum and your thigh.

The world gets to see my bumthigh once I sport my brand new bikini.

by xxKaylie May 28, 2007

Get the merch

Get the Bumthigh neck gaiter and mug.

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request

• © 1999-2021 Urban Dictionary ® • advertise • terms of service • privacy • dmca • bug report • help • blog • data subject request