2) The Political wing of the notorious Grey Panthers.
2)'I'm sorry, Mr. Pharmaceutical Company, but if I vote for tariffs on drug imports, the AARP will make sure that I can't get elected dogcatcher in this district'
In reference to a female, aarping around. In reference to a male, aarping it up. The former carries a negative connotation.
Dude, I know you think your English teacher is hot, but quit aarping it up!
The practice of filing a (possibly specious but nonetheless prosecutable) discrimination suit against one's employer in order to pocket a hefty settlement.