Guitar Dick

When your dick starts off skinny and become wider at the end. Making it look like a guitar.

dick guitar, jamming out on your peepee. dick guitar is when your most likely pissed on some of that firebreath that your like "eey fuck it, im gonna play guitar on my wang hole" 'day later your sore because you needed it to sleep.

Dick guitar is when a person grabs a penis and pretends to strum it like a guitar. The 'Guitar' can be substituted for another instrument such as the violin or drums.