On the off chance you need a serious answer: "Leggy" is sometimes what people call the maned wolf, which looks like a regular wolf with a lift kit.
However, the original post was probably just playing on the similarity in sound between "army" and "leggy," despite their divergent meaning.
Oh fuck are we giving piss now? Fuuuuuck, I’ve been taking it the whole time, I could have been giving it?
Gotta find some places to give all this piss to