verb/foˈʝaɾ/
to fuck, to screw, to shag
Synonyms: cachar, chichar, chingar, coger, culear, follar, forrar, garchar
Related: follador, folladora, o follamos todos, o la puta al río, que te folle un pez, que te follen
Probably from Old Spanish folgar, which left modern holgar.