A slang term for an absence of vaginal pubic hair, similarities can be drawn from the smoothness of a dolphins beak combined with the fact that it is free from hair.
“She got debagged last night; her flippers beak was on full view”

“Give me all the details; was it like a hedge maze or did she have flippers beak”
by MrUrbanDictionary August 10, 2009
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