It’s origin from a Jackbox room code, the twitch streamer FloppityPenguin (Also known as Zain) coined the term. It is usually accompanied by the year 2020, signifying a political campaign year.
Person 1: Hey, have you heard about Gwum?

Person 2: You mean the guy that’s running in 2020?
Person 1: Hell yEaH brøther

Another example

Person 1: I’d love to have him gwum all over me
Person 2: Man, don’t be so gwumpy
by ShadowAura12 June 10, 2019
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The peak female form whether you like it or not.
Zain pops xans so she is gwum.
by Alpha Mako June 9, 2019
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A female that is caught in that awful time between being a girl and a woman. Males are guys. Females are gwums.
by kehteh June 12, 2005
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GWUM is everything

GWUM 2020
a: Hey, you got GWUM?
b: Yea bro!
by Charlie the GWUM man June 8, 2019
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