gè
=
g
+
e4:
(classifier used before a noun that has no specific classifier) / (bound form) individual
Mnemonic
Neanderthal Man (人) needs to use the elevator's bathroom (e4) but it's occupied by Guy Fawkes (g), and there's only space for one individual (个). Impatiently Neanderthal Man knocks on the door using his dinosaur bone (丨).
that one / that thing / that (as opposed to this) / (used before a verb or adjective for emphasis) / (used to humorously or indirectly refer to sth embarrassing, funny etc, or when one can't think of the right word) / (used in speech as a filler, similar to "umm", "you know" etc) / (euph.) menstruation / sex / also pr. [nei4 ge5]