Sometimes our minds grapple with certain words, and whether it's because they sound funny, don't sound right when used in a sentence or sound straight up obscene our brains earmark them as odd.
This is something that happens no matter what language we speak, but the English language has more than its fair share of words that sound dirty but actually aren't, words that are guilty by association like shuttlecock and masticate.
And while it's fine for kids to titter when a naughty-sounding word like kumquat, dongle or angina is said aloud it's downright immature for an adult to crack up every time they hear these words, so grow up people!
That being said, you have permission to LOL every time Dick Butkus' name is said out loud, oh, and whenever you meet someone named Richard Head...
See 20 Bizarre Words That Sound Dirty But Actually Aren't here