subcomb

To give in to, To submit, To fall victim, To give up,
To surrender, To give up the fight, debate, or an action.
To give up because of a lack of strenght, insight or intelligence. To give up or lose your will,

Martin knew he losss the debate when he heard members of the audience ridicule his campaign. Martin forgot part of his speech, so not to subcomb to further ridicule, Martin quietly withdrew from the election once the debate ended.