1) Disgustingly 2) Insultingly 1) In an ugly way 2) Insultingly 
• (v.) In a foul manner; filthily; nastily; shamefully; unfairly; dishonorably.
Foul'ly v. In a foul manner; filthily; nastily; shamefully; unfairly; dishonorably. « I foully wronged him; do forgive me, do.» Gay. 
[adv] - in an unfair and insulting manner 2. [adv] - in a wicked and shameful manner
adverb in an unfair and insulting manner; `this internationally known writer was foully condemned by the Muslim fundamentalists` adverb in a wicked and shameful manner; `two policemen were foully murdered`