Can anyone please suggest a collective noun for ...

[lionhearted]

a group of mothers?

(the first person I asked in RL said 'a coven' , so I thought the sensible thing would be to ask on here) .

Hmmm, I would say coven too, hehehe

timebomb

nest of vipers

haggle

A Fussy
A Smuggery
A Sainthood

A harrassment

A confusion

A depression

Depends on the mothers.
A Smugness of mummies (if they are Boden-wearers)
A Fret of (new) mothers
A Yatter of (socialising) Mothers

i dont know about mothers but one of my favourites is a 'bank holiday of nans'

A pride

Mammaries

a slattern of mothers

(again, depends on the mothers...)

A stain

mummery

A hug

:)

GREENY! Stop avoiding me you old tart!!

:o

pass the sick bag franny

Or, alternatively, a bitch of mothers

gaggle

A Gossip

a clutch

a website

A MumsNet

a Net of Mums...