The act of quietly and calmly low fiving others when a location or event does not permit for a loud and/or enthusiastic high five (e.g., a funeral, a library, church, class).
Barney: High five!
Ted: Dude, we're at a wake.
Barney: Sorry. (whispers) Solemn low five.
by r3ckl3sson3 April 22, 2009
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