Thasmin is a canon ship between the Thirteenth doctor and Yasmin Khan in Doctor Who

a nigger that wears black on a daily basis and worships satin

When smoking marajuana there are various levles of high. The 420 scale is how high you are. The scale is from 1-7.
1-sober
2-buzzed
3-high
4-stoned
5-baked
6-fucked
7-420ed

She got more ass in da front den she do in the back

1) Its a term that means reading a message and choosing to ignore it or pretend you havent read it.
2) Seeing someone's caller ID on your phone "screen" and then you deliberately let it ring out.

3) A common form of underhanded cheering of video gamers to give them a tactical upper hand by spying / looking at another payers screen (most usually on split screen games) - is often also referd to as screen-spying.
It is mostly unforgivable on 1st person shooters #TC

This means I dont care. If someone takes this phrase in the literal sense, then they will ask you "Do you mean I couldn't care less? However, the speaker of the phrase fully understands the meaning as, I dont care.