lock of love 

a small strand of hair (cut from your head) tied with a ribbon or braided into a ring to symbolize love and a very important relationship it kind of like the pre-promise ring

she gave him a lock of love to profess her love and loyalty to him

lock of love by Remmy April 14, 2006

lock of love 

When one person in a relationship shaves his/her pubic hair and braids it into one of those keychain lanyard things and gives it to the other person.

Mike wanted to take the next step in their relationship, so he gave Karen his lock of love.

lock of love by Alaskan Joe (yo ho ho!) September 30, 2005