A nickname given to somebody who asks too many questions.
Wow, that kid is such an "agar."
by bongo's January 22, 2009
a gelatinous substance obtained from various kinds of red seaweed and used in biological culture media and as a thickener in foods.
WOW! LOOK AT THIS SLIMY "Agar"!
by kingofdefenition January 02, 2016