A sexual act; specifically the act of forcing one's thumb (the most lateral digit on one's hand) into the scrotum and twirling it about in circular fashion. It is meant to be a painful experience. Audible whirring from the mouth is optional.
Shirley promised Fred pleasures of the mouth, but instead performed a dick blender upon the unsuspecting gent's scrotes. Fred should have known better when Shirley said he didn't need a cell catcher.

EX2
A: Bitch gave me a dick blender in front of er'body.
B: Whuchu do?
A: I choked a bitch.
EX3
M: Hows about a BJ?
W: Hows about a Dick Blender?
M: Up yours whore.
by Y2JandN9ne December 22, 2008
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A truly painful experience that still may be preferred over the proposed task, activity, action, etc.
Guy 1: Hey man, wanna go hang out at Bill's?
Guy 2: I'd rather shove my dick in a blender
Guy 1: I knew you didn't like Bill but that's extreme.
Guy 2: I beg to differ *plugs in blender*
by I Don't Need a Pseudonym September 11, 2014
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When someone has a dick so ugly it looks it has been through a blender.
He is hot, but he has Blender Dick Syndrome, so I wouldn't hook up with him.
by Chicken_Supreme August 8, 2019
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An act in which a sex partner gives you a blowjob with braces on
My girlfriend gave me a Dick Blender last night
by Dylan the proud November 12, 2013
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