The word they'd is a contraction, a shortened version of two words, a pronoun 'they' and an auxiliary verb 'would'. Example:
They would do it if you asked them. OR They'd do it if you asked them.
what does they'd
Theyd be cold.
otherwise theyd die
ask a deer whisperer , theyd deffinately now
no, they had to obey what they were told or theyd be shot
because otherwise theyd be gay
Theyd didn't because they never wanted to.
yes theyd be an awesome couple and they would have many kids
Because theyd frickin kill him if he didnt
who knows maybe theyd like it better fried on the grill:)
Nope theyd rather make another cars
theyd all hurt thrown at you