 [ Symptoms ] lump between butt cheeks i have a lump between my but cheeks actually right between them but inside the lining of right butt its been there for quite some years now and when i press it hard to check if it pains it give out some stinky puss but otherwise its been dormant for some years now what can it be [ Disease ] hi been doing any lifting moving heavy things from odd angles because it sounds like a strain and it can do that give a real nagging pain best just take it easy and slowly it will go hope this helps good luck