Freudian concepts

• They're checked at checkpoints, in brief
• People may be bounced without them
• Cards checked at the door
• They may be checked at an airport
• Doormen get to see them
• Liquor stores check them: Abbr
• Dog tags
• User names, e.g
• Proof-of-age items: Abbr

Wiktionary Word definitions in Wiktionary
n. (plural of id English)