An expression used mainly to signify shock and exclamation at something. Also, it can be taken in the literal sense; to have shit on one's dick.
"Shit on a dick, I don't have any more butter in my fridge"

"I went balls deep into this hooker's ass, resulting in me having shit on my dick; it wasn't very pleasant at all"
by Scott Rait August 16, 2006
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When you doing anal and she forgets to wipe her ass and shit goes into your dick
"Ahh shit man!" Says A
"What happened man?" Says B
"I got Shit in the Dick!"
by Nemsisxd January 27, 2018
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A phrase that means "I will go off" or "I'm so fucking high right now"
"If Tammy shows up I will literally shit on a dick"
"I'm not good right now Becky, I am shitting on a dick"
by thenamesgenital February 20, 2018
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Used when somebody else is or may be fucking with you.
Joe: "Bro where's the cheesecake?"
Jamal: "Gone."
Joe: "Are you shitting on my dick?"
Jamal: "No dude."

Doctor: "It appears you have stage 9 cancer and will probably die soon."
Patient: "Seriously?"
Doctor: "Naw just shitting on your dick."
by Yoman1289 April 24, 2011
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a) an exclamatory phrase used to portray any and all emotions, or lack thereof.

b) the extremely overused but beloved saying created by Rico 'Optimus Prime' Restirino.

c) often followed by the phrase 'n shit.

d) The awkward literal meaning, which refers to feces, and genitalia. (usually after fucking a bitch in her ass)
Derek: Rico you just got ur head blown off in CoD 5.
Rico: yeah i suck
Nate: Shit on ur dick rico
Rico: yeahhh shit all over my dick 'n shit

xxxxxx

*just stubbed toe*
"Shit on my dick!!"

*just fucked a bitch in the ass*
"Shit on my dick! anal is DIRTY"
by TheGorillaMist January 5, 2009
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To express disgust or frustration to someone/something.
Stacy: Someone poked a hole in the condom!

Chris: Well shit on my dick!
by Quadzy December 15, 2014
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