Sending a cut-and-paste generic come-on to dozens (or hundreds) of members of the opposite sex on a dating website in the hopes that at least one will write back.
'I think you're pretty. Message back if interested'? That's what he wrote? Classic sign that he's carpet bombing! He probably sent that message to fifty girls in the last hour!
Dude, so last night I hooked up with Carla and it was total carpet bombing.