Top definition
a boyfriend who tries to get u to sleep with him via sucking up to your mum.
please note:a mumsucker has no sexual interest in mums but will most likely act liek he does in secret, mothers will be flattered.
janices boyfriend is a total mumsucker, he helped her mum with the washing yesterday, he never does that for janice.
by mizzfizz May 17, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug