Mallwalking

2 clues
Bit of indoor aerobics
Indoor corridor exercise
Similar answers:
Animalkingdom
Balking
Briskwalking
Cyberstalking
Divetalking
Doallthetalking
Dreadmanwalking
Dreamwalking
Duckwalking
Facebookstalking
Fasttalking
Feelliketalking
Firewalking
Goodtalking
Haywalking
Isthatthewinetalking
Itsmetalkingtothewine
Jaywalking
Jazzywalking
Jwalking