Possible Clues:

• Bold poker words
• Bluffer's declaration
• Phrase that gets a caller's attention?
• Call from one who more than calls?
• Challenge to be expected from the high-handed?
• Assertive poker statement
• You might hear it from someone who doesn't call
• Likely words from one with a strong hand
• Declaration from a sure-handed player?
• Words that increase the size of a pot