Definitions by Stan B.
bulldog
Mooning someone while pushing your genitalia backwards toward your butt crack. Similar to a fruit salad
dime
sinker
A piece of fecal matter that is more dense than water, and thereby sinks to the bottom of the toilet. The opposite of floater.
floater
Alternatively, this word can refer to any piece of fecal matter, regardless of flushability, that is less dense than water, thereby floating to the top of the toilet bowl water. The opposite of sinker.