The use of aggressive or "edgy" phrasing (like "Mofos") is a branding tactic designed to resonate with younger, internet-savvy audiences who appreciate irreverent humor.
If Let's Post It Mofos Site follows common trends in user-generated content platforms, it may offer features such as:
Standard lightweight office or printer paper. It is easy to find and durable enough to handle without tearing immediately when wet.