MLMish

From MLM (“multi-level marketing”) +‎ -ish.

MLMish (comparative more MLMish, superlative most MLMish)

1. (rare) Resembling or characteristic of a multi-level marketing (MLM) system.
   • 1999 September 13, Deborah Stevenson, “Re: What's Wrong Is Wrong”, in rec.equestrian‎ (Usenet):

     [> who is this annoying twit?]
     Somebody plugging one of those annoying MLMish ads-all-over sites where you get credit for dragging people in.

   • 2002 July 10, Ben Bradley, “Re: Monster Cable Sues Madmartian.com”, in rec.audio.pro‎ (Usenet):

     I wouldn't want a "dot-biz" domain name anyway, the word "biz" looks too spammish, MLMish and pyramid-schemish to me.

   • 2003 May 3, Jester, “Re: Merchant accounts? Looong”, in alt.wholesale‎ (Usenet):

     I'm totally paraphrasing here, but the whole "points" thing spooked me a bit, seemed MLMish to me.