1. An expression of gratitude said to someone when leaving some social occasion they hosted. Words like "lovely," "nice," "wonderful," etc., are used before "time." Thanks for a super time, guys. What a fantastic party! That was a delicious dinner, and you make for wonderful company. Thanks for a lovely time all around.

2. An expression of gratitude said to someone after spending time with them, as on a date. Thanks for a wonderful time, Jenny. I'd really like to see you again sometime.