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When you want to call someone or something a faggot but can't due to the people around you.
In an elevator
Barry: "Did you see Johnny last night with his light-up t-shirt?"
Larry: "Yeah what a f-(everybody looks at him) friendly maggot"

Barry and Larry inside joke.
(Watching some guy do handstands on the beach while sitting with his friends)
Barry: "You know Larry, i think that guy is the friendliest of maggots I have ever seen"
Larry: "I concur Barry"
(Friends looks at them quizzically)
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