a combination of the word chub
"slang for erection" and trouble
Meaning erectile or penile difficulties.
This may have devastating effects upon ones manliness and or character.
Medical conditions - chronic masturbation with floatation devices or lawn ornimants
Hereditary - history of stubby dick syndrome SDS
Environment - apathetic robust shemale intervention
Mary: How is you and Bob coming along Berel?
Berel: ..(sighs).. oh hes having chubble lately
Clive: Corneilous how has your wilkins been this morn
Corneilous: Ive seemed to have been stricken with chubble