caterpillar /katˈər-pi-lər/

1. A butterfly or moth grub
2. Extended to other insect larvae
3. An unproductive consumer (archaic)
4. (Caterpillar®) a tractor or other (esp earthmoving) vehicle running on endless articulated tracks made up of a series of flat metal plates

• slapdash
• slapdashed
• slapdashes
• slapdashing
• slap-happy
• slaphead
• slapheads
• slap in the face
• slapjack
• slapjacks
• slap on the back
• slap on the wrist
• slapped
• slapper
• slappers
• slapping
• slaps
• slapshot
• slapshots
• slapstick
• slapstick comedy
• slapsticks
• slap-up
• slash
• slash-and-burn