When you go to hang out with Garrus on the Citadel he will take you to shoot some bottles when given the option chose to miss the bottle and you will hear the following.
Spoiler (Click to Hide)
G: "I'm Garrus Vakarian and this is now my favorite spot on the Citadel."
S: "It's windy up here"
G: " I think I am going to erect a monument right here, Bronze this gun so the whole galaxy knows."
S: " That your the king of the bottle shooters, glad your around Garrus you never know when the bottles might revolt."
G: "laughs"
I accidentally deleted this instead of hitting reply, DERP
Sorry Bane lol