1. When women take extra care and time to make sure their legs are silky smooth. Usually done for special events/days such as valentines day. Usually done when they are expected to be felt in an intimate fashion by another person.
BJ: I knew I was in last night, she had Valentine's Day Legs.
Lew: Whoa, sweet. What happened?
BJ: I don't need to go into details, but lets just say 'touchdown'
Lew: High fives all around then!
Heather: How was your date with BJ last night?
Lissa: I had Valentine's day legs, what do you think happened?
Heather: On the first date! High fives all around then!