To have an overbearing fascination with something that is considered by most to be foolish.
God man, my teacher has got a total thrombone for Adobe Illustrator. What a dork.
by skrilla June 17, 2003
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Thromboner. Noun. A particularly raging boner, the source of which unknown, often leading to painful erections lasting hours, for which there is no immediate remedy.

Side effects include, prolonged pelvic pain, back pain, procreation, and others. Consult your doctor if your thromboner lasts more than 12 hours.

The origin of the word is not exactly known, but likely has something to do with a special variant of deep vein thrombosis.
I went to the doctor today and was diagnosed with a raging thromboner.
by Dednor March 5, 2018
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1.Male genitalia, especially when erect.

2.What a homosexual calls a musical instrument because of the lisp.
See those two hot temptresses? (In super hero voice) I must go back to the lair and fetch my thrusty thrombone.

Are you in the orchestra? Yeth, I play firtht thrusty thrombone. Elton plays the thecond if he even shows up! Slap that bitch!
by wywind February 28, 2014
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