ass over teakettle adverb 2adjective 1 adverb2 •(slang, vulgar) Tumbling upside down.When the top step gave way, he went ass over teakettle back down to the bottom. •(slang, vulgar) Frantically.We've been scrambling ass over teakettle to get this thing done on time. adjective1 •(slang, vulgar) In complete disarray.After all that hard work cleaning up, along comes one big storm and we're ass over teakettle again.