sparetire
- Paunch, slangily
- Midriff bulge
- Middle weight
- External Jeep attachment
- You'll need one for your flat
- Trunk ring
- Trunk need
- Road safety item
- Relative of a bay window
- Good thing to have after a blowout
- Flat solution
- Flat out?
- Fat farm focus
- Donut, possibly
- Donut ... or the consequence of eating too many of them?
- Dieter's nemesis, slangily
- Dieter's midriff target, in slang
- Blowout insurance
- Trunk item
- Middle weight?
- Jack accompanier
- Trunk item ... or what has been put on 18-, 24-, 41- and 53-Across?
- Likely result of excess 17- and 53-Across
- Gut
- Little extra poundage
- Blubber, so to speak
- Trunk occupant
- Spread caused by too many spreads
- Middle-age bulge
- Motorist's cache
- Fifth wheel
- It may be kept in a trunk
- It may be tucked in a trunk
- Emergency item
- Unwanted overhang
- Item in a car trunk