Does are so crap stand for arsenal?

The phrase "arsenal" can refer to a collection of weapons or military equipment, but in the context of "are so crap," it seems more like a colloquial expression of frustration or disappointment, possibly directed at a sports team, such as Arsenal FC. Fans might use such phrases to vent their feelings about the team's performance. However, "are so crap" is not a formal abbreviation or acronym for "Arsenal."