This makes use of words that are either my suggestions or originally given by other people in their answers.
Dad resigned to1 his seat, sulking2. "Fine," he muttered through clenched teeth3.
Note that it might be a bit too wordy and moody. You yourself can similarly combine different suggestions to make your own version of this sentence.
###Credits
These are links to the source answer.
resigned to — suggested by I wrestled a bear once.
sulking — suggested by 1006a.
muttered through clenched teeth — suggested by PinkyTune (i.e. me)