Pulled out of thin air

Malarkey Nonsense Fabrication

i’m just spitballing here… i’m thinking perhaps… maybe… does this resonate… have you considered… from another perspective… possibly… informed opinion… its likely… in the ballpark of… something like…

Wingging it.

Made up on the spot.

“He’s just pulling these figures out of his hat.”
“This step in the argument is a bit of a handwave.”
“I’m not sure we can afford to just guess here; let’s gather some real data.”
“Pay no attention to the man behind the curtain.” (PNAMBIC for short.)
“I’m concerned that the Emperor’s latest tailors may be in the pay of the Nudist Association.”

Anyone who says asspull probably isn’t pulling any ass.

Amateur hour

“A proctologist was needed to extract that information from its source.”

Deus ex Machina?