Related Clues:
- Show eager anticipation
- Spitball stuff
- Exhibit extreme anticipation
- Aid to digestion
- Glandular output
- Source of DNA evidence, often
- Be gaga (over)
- Spit
- Have a hungry reaction
- It may be on the tip of your tongue
- DNA source, often
- What hungry wolves do
- Pavlovian production
- Show hunger, in a way
- Drool, basically