last resort friend
A friend or acquaintance you call to hang out with when you desperately want to go out but none of your other friends are available. Sadly we all know one or have been one.
Example:
None of my friends are available to go out but I really want to do something... I'll call Clint he's my last resort friend.
None of my friends are available to go out but I really want to do something... I'll call Clint he's my last resort friend.