Stick it to the Man!
From Halopedia, the Halo wiki
Stick it to the Man!
Stick it to the Man! is an achievement in Halo: Reach multiplayer matchmaking added with the Anniversary Map Pack. It is awarded for sticking and killing a flag carrier with a plasma grenade in a matchmade game.[1] The achievement only be unlocked on an Anniversary map.
Trivia
The achievement was initially shown on Halo Waypoint with a different graphic, depicting a Spartan helmet stuck with a plasma grenade labelled with the number 2. Upon release the image was changed to a red flag breaking over a large plasma grenade.
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