Boyz II Men singer Shawn Stockman is refusing to let Aaron Rodgers off the hook — saying, the band plans to come up with an alternative solution for the NFL star to satisfy his debt if he continues to duck out of the jersey bet.

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As we reported, Rodgers has publicly wussed out of his bet with Boyz II Men, in which the Packers QB agreed to wear a 49ers jersey if he lost to the Red and Gold at Lambeau last week … which he did.

Stockman called the wager a “friendly all-in-fun bet” — but said if Rodgers continues to refuse to fulfill his end of the deal, the band will come up with another way for Rodgers to pay his debt.

It might not entail a Niners jersey — but it sure as hell won’t be easy either.

-TMZ