(noun) An individual who makes his/her rounds greeting everybody in a room or open area on a regular/daily basis; often thinks everybody is their friend and lacks the social awareness to differentiate between real friends and people who are just being nice to them
" Beware of the lapper. Every school/university has one, if not several. If you are friendly to him then he will be back here to talk every day."
by bigg rik April 15, 2022