GTC

1. General Teaching Council (GTCE for England; GTC(NI) for Northern Ireland; GTCS for Scotland; GTCW for Wales)
2. Good till cancelled (on an order for goods, securities, etc)
3. Government Training Centre

• talkshow
• talk shows
• talk smack
• talk tall
• talk tall and walk tall
• talk the hindlegs off a donkey
• talk through
• talk through one's hat
• talk through the back of one's neck
• talktime
• talktimes
• talk to
• talk trash
• talk turkey
• talk up
• talky
• talk-you-down
• talky-talky
• tall
• tallage
• tallaged
• tallages
• tallaging
• tallat
• tallats