Is there *nothing* so offensive and juvenile that it's off-limits, even to me? Maybe not.
In these sensitive times, stereotypes are a big no-no. Hopefully, this doesn't apply to chemicals, because there is one group of them called esters. They smell really nice, even though the two components that combine to form esters can smell like foot odor or vomit. A stinky chemistry lesson. Hold your nose and read.