"Définition de bebon". dictionnairedelazone.fr (in French).
Here the words pécho and bebon are verlan for choper and bombe, roughly translating to "hit on" and "hot chick" respectively.
Sloutsky, Larissa; Black, Catherine (2008). "Le Verlan, phénomène langagier et social: récapitulatif" [Verlan, a linguistic and social phenomenon: in summary]. The French Review (in French). 82 (2): 308–324. JSTOR25481548.