CAGGRU is a mocking phrase used in online milsim game communities. The phrase is a combination of the term CAG, or Combat Applications Group, otherwise known as Delta Force, and the “-GRU” comes from the acronym DEVGRU, or Development Group, otherwise known as the Special Warfare Development Group or SEAL Team 6.

“CAGGRU” is a phrase mocking those who have an unhealthy obsession with/want to be/believe they are a “Tier I” special operator in the US military. It is also used to mock those who take milsim very seriously to the point of being very dedicated roleplayers who will get very easily heated when people do not roleplay exactly how they want.
“Wow look room clearing with GPNVGs and a 416 so CAGGRU tier 1 goon squad gooning omg!”
by ducjky August 15, 2022
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"caggru" is the term that degenerate roblox milsimmers who have no life and only focus on being "tier 1 operators", when they won't even join the real army use when describing something that sexually arouses them.
"Aw man, that map is so caggru!"
"That edit was caggru!"
"Send me those caggru leaked assets"
by caglarper June 6, 2023
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