prison lube 

The spit that goes on a penis before insertion into a dry hole

Mike Tyson said he used prison lube when he had intercorse with that girl.

prison lube by Tracey September 5, 2003

prison lube 

Warm spit and/or the shitty residue left in a man's anus after taking an extremely sticky shit.

Hey, Tyrone. Earl raped you using prison lube, you bitch nigga.

prison lube by Assex 776 September 7, 2007

Prison Lube 

The blood and feces inmates naturally exude when larger inmates forcefully impale them in delicate areas, generally against their will.

Inmate 1: Heard you had to put your celly in his place last night. You didn't break him did you?

Inmate 2: Nah, he's just fine. He had plenty of prison lube in'em.

Prison Lube by Zen Chaos October 11, 2020