Contraction of ご馳走様 (go-chisō-sama). / Synonym of ありがとう (arigatō)

even if one says

meal / diet

have a meal, eat

end, conclusion / end-of-life, death

to end, to finish, to quit / to be in a hopeless position

end; conclusion; finish / death; collapse; fall

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend