The human body comes in a variety of beautiful forms, and this is especially evident when it comes to the buttocks. While each person's shape is unique, four primary buttock shapes are often used as general categories. Though these shapes are just broad characterizations and don't fully represent the diversity of body shapes, they provide a useful starting point to help communicate aesthetic goals.

1. The Square, H-Shaped, or “SpongeBob SquarePants” Butt

This shape features a relatively equal width at both the top and bottom of the buttocks, creating a square-like appearance. Often seen in individuals with more athletic builds, it can make the waist seem wider and lacks the pronounced curves some people desire. This shape is often associated with the 'skinny BBL' (Brazilian Butt Lift) and is particularly favored by Caucasian clients.

2. The Pear, A-Shaped, or Pear-Shaped Butt

This shape is defined by a narrower top and fuller bottom, creating the classic pear silhouette. It embodies a voluptuous, feminine look, making it a popular choice for those who want to emphasize a more traditional and sensual aesthetic. The pear-shaped butt is often found in people with more prominent lateral thighs and is most frequently desired by Hispanic clients.

3. The Round, O-Shaped, or Bubble Butt

Regarded as one of the most desirable shapes, the round or bubble butt is full and symmetrical, with a distinct curve. It exudes a youthful, balanced appearance that many consider ideal. Those looking to maximize buttock volume often seek this shape, which is most commonly preferred by African-American clients.

4. The Inverted, V-Shaped, or “V” Butt

In this shape, the buttocks are fuller at the top but taper down towards the bottom, forming an inverted "V". This shape can sometimes create the impression of sagging, making it a frequent target for cosmetic enhancements to achieve a lifted, more youthful look. It is common among individuals who have experienced significant weight loss, leading to a deflated appearance in the lower part of the buttocks.

These general categories are simply guidelines, as each person's shape is beautifully unique. Understanding these shapes can help in discussing personal goals when considering aesthetic or enhancement procedures.