(transitive) To confuse and bewilder; to leave speechless.

The ordinal number twentieth, derived from this letter of the English alphabet, called tee and written in the Latin script.

(organic chemistry) A cyclic hydrocarbon containing at least one double bond / (organic chemistry) 1,7,7-trimethyltricyclo[2.2.1.0^2,6]heptane also known as tricyclene

(Internet slang, nonstandard, eye dialect) What, both in its standard meaning as an interjection, but especially as a response to an outrageous or unexpected statement.