listahan of nicknames used on Glee (Source: Glee Wiki, some from memory). A few have been left out so if you can think of any just post in comments)
__________
RACHEL
Rach, A-Rach, Babe, (Finn)
Miss Bossy Pants, Eva Peron (Mercedes)
RuPaul, Man Hands, Treasure Trail, Stubbles, That Thing, Sweetie (Quinn)
Yentl (Dakota, Santana)
Boy Hips (Lauren)
Benedict Arnold (Kurt)
Dwarf, Midget, Hobbit (Santana)
Barbra Streisand (Suzy Pepper)
Lady, Michele (Sue)
Baby, My Hot Little Jewish American Princess (Puck)
The Jew (YouTube user)

FINN
Finnocence (Santana)
Frankenteen (Santana, Dakota Stanley, Sue)
Sugar sinag (Sue)
T-Rex...

All of these are in my own opinion. The artikulo is not about the actual quality of the songs, but madami of their use in the show. A short note is included after the pamagat to note the main issue(s). "Done intentionally" means that the faults were acknowledged in the show.
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1.    Cell Block Tango - Poor song choice and offensive; done intentionally. The girls just found out that someone is in an abusive relationship. This was probably one of the worst songs they could have chosen to sing. As sinabi in the show, it was sa pamamagitan ng a bunch of violent, crazy women who killed their significant...

Come on girls, do you believe in love?
'Cause I got something to say about it
And it goes something like this

[Chorus]
Don't go for segundo best baby
Put your pag-ibig to the test
You know, you know, you've got to
Make him express how he feels
And maybe then you'll know your pag-ibig is real

[Verse I]
You don't need diamond rings or eighteen karat gold
Fancy cars that go very fast
You know they never last, no, no
What you need is a big strong hand
To lift you to your higher ground
Make you feel like a reyna on a throne
Make him pag-ibig you till you can't come down

[Chorus]
Don't go for segundo best baby
Put your pag-ibig to the...