I could swear I've seen films(I like 50s' sci-fi) with those exact sounds.
“No persons are more frequently wrong, than those who will not admit they are wrong.” -- François de La Rochefoucauld
"Those who cannot accept the past are condemned to revise it." -- Geo. Mathias
The German word for contraceptive is “Schwangerschaftsverhütungsmittel”. By the time you finished saying that, it’s too late