Tennis Buttock

Certain physical dispositions of the buttocks — particularly size — are sometimes identified, controversially, as a racial characteristic. The most famous intersection of racism and buttocks may be the case of Saartjie Baartman, the so-called Hottentot Venus.
Synonyms
The anatomical Latin name for the buttocks is nates (/ˈneɪtiːz/ or NEY-teez in English), which is plural; the singular, natis (buttock), is rarely used. As buttocks are an object of both shame and fascination, it is not surprising that there are many colloquial terms, euphemistic, ironic or other, to refer to them. These include the following: