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slang A man's penis. Primarily heard in UK. The footballer lay on the ground in agony after being struck in the John Thomas by a defender's foot.
A skeptic. A reference to the New Testament story about the Apostle Thomas, who refused to believe that Jesus had risen from the dead until he saw him in person. Lisa's husband was a real doubting Thomas when she told him she'd won the lottery. He demanded to check the ticket himself.
sup with Sir Thomas Gresham
To go without food. Sir Thomas Gresham founded the Royal Exchange in London, which the poor often visited. A: "Why are you so hungry? Didn't you eat dinner?" B: "No, I got stuck in a meeting, so I supped with Sir Thomas Gresham."
someone who will not easily believe something without strong proof or evidence. (Can be said of a man or a woman. From the biblical account of the apostle Thomas, who would not believe that Jesus had risen from the dead until he actually touched the risen Christ.) Mary won't believe that I have a dog until she sees it. She's such a doubting Thomas.
One who is habitually doubtful. For example, He was a doubting Thomas about the coming merger, not believing it would ever happen. The term alludes to the disciple Thomas, who doubted Jesus's resurrection until he had first-hand evidence of it (John 20:24-29).