めくto show signs of ..., to have the appearance of ..., to jerk off, to masturbate

空気(くうき)が暖(あたた)かく、春(はる)めいてきました。

The air is warm, and signs of spring are showing.

思春(ししゅん)期(き)の娘(むすめ)が色(いろ)めいてきたのが気(き)になります。

I'm concerned that my adolescent daughter is starting to show signs of sexual interest.

生徒(せいと)がざわめいているが、何(なに)があったのだろうか？

The students are making a commotion, I wonder what happened?

建物(たてもの)がひしめいている所(ところ)で火事(かじ)が起(お)きたら大変(たいへん)な事(こと)になるだろう。

If a fire were to break out in a place packed with buildings, it would likely result in a serious situation.

皮肉(ひにく)めいたことしか言(い)わない上司(じょうし)と仕事(しごと)をするのが苦痛(くつう)なのなんのって。

Working with a boss who only speaks tinged with irony is incredibly painful.