to make progress; to go along one's way; or, one who goes along planting seeds or frequents a brothel or one's lover (see Molina); can also mean to chase or attack something (see Bierhorst)
Alonso de Molina:
tlatoca. el que anda sembrando o siembra semillas, o el que va al burdel, o el que continua la casa de su manceba o amiga. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 140v. col. 1. Thanks to Joe Campbell for providing the transcription.