When an anniversary with a significant other falls on or near Valentines Day (within 4 days). In this circumstance the gift or celebration of both events can be combined.

"We had a great time on our Valenversary!, it was nice to be done with both"
"We had a great time on our Valenversary!, it was nice to be done with both"
by Goforhix February 13, 2015
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When Valentine’s Day is so close to your anniversary that you put all your love into 1 special gift on 1 special day
Happy Valenversary baby 02/15
by K1ngT¥ February 22, 2019
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