There's a snake in my boot 

When your penis hangs so low that it is inside your shoe/boot

oh man mine is so long there's a snake in my boot.

There's a snake in my boot by Matt-Morgan9000 January 10, 2017

There's a snake in my boot 

When a young cowboy mistakes his untied shoelaces for a snake in his boot.

Uncle: There's a snake in my boot
Arthur: Tie your shoes
Uncle:Must be the lumbago

There's a snake in my boot by Realone124 December 22, 2018

there's a snake in my boot 

When your dick is so long that it goes down into your pants leg

Girl: so how big are you
Guy: well there's a snake in my boot

there's a snake in my boot by Briarcrest April 20, 2017

There’s a snake in my boot

When you are expecting a fart but shart and it leaks down your leg into your shoe

Dude, we gotta go, I meant to fart but now there’s a snake in my boot

There’s a snake in my boot by Bernstyle April 10, 2022