Yeah it's je ne comprende pas. But I dunno. I am not able to understand makes sense grammatically too.
Well! There was tons of weed, boobs, men staring at boobs, wrinkly asses hanging out of skirts, lame Lady Tron music annnnnnnnnnnnnd I was just sitting on the balcony being swarmed by SCAD students. Impressive, SCAD folks generally have money. But worthy of the ". . . ." and offering their numbers when I decline and say "nooo that's all right."
Edit* But I guess it'd be je n'est pas comprendre but you're missing the able part.