1 definition by Goddest88

(1) The act of eating a girl out while she is on her period.
(2) When you go down on a girl who is menstruating.

A man who has his first red su dae is said to have earned his red wings.
(1) It was dark yesterday when i was going down on my girl, turns out she was on her period and i ended up having a red sundae.
(2) i told my boyfriend i was on my period and he said he was in the mood for a red sundae.
by Goddest88 August 30, 2019
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