Yes block that...no woman should put up with that cr@p
Send a weirder one back. It's kinda entertaining but you may not get a reply :P
What's really fun is when they send you a graphic description of what they want to talk about with and/or do to you (usually sexual) that absolutely none of your experiences have given any indication whatsoever you would be interested in...
such ! Sob lok zante hein.. apki abbu-shohor ki itna boro chogoler gher hein? or Nao ki karobari ! Mash Allah ! Apto kamal kar diya !
Give it a go, freak them out!