A noun standing in place of any noun you have temporarily forgotten. Synonym of thingy, thingumbob, whatsit. Also may be used deliberately when the meaning is abundantly clear anyway. Derived from its use by space aliens in an episode of South Park Example: On Marklar, everyone and every thing is referred to as marklar. We come in marklar. Take us to your marklar.
MARKLAR
Meaning of MARKLAR in English
Slang English vocab. Английский сленговый словарь. 2012